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Contact details +6469518139

Prof Richard Laven

Professor - Production Animal Health and Welfare

School of Veterinary Science

Professional

Contact details

Ph: 06 350 5328
Location: 1.08, Massey Equine and Farm Services
Campus: Turitea

Research Expertise

Research Interests

Lameness, mastitis, fertility, dairy cattle health and welfare; mineral nutrition

Thematics

Resource Development and Management, Future Food Systems

Area of Expertise

Field of research codes
Agricultural And Veterinary Sciences (070000): Agriculture, Land and Farm Management (070100): Animal Breeding (070201): Animal Growth and Development (070202): Animal Management (070203): Animal Nutrition (070204): Animal Production (070200): Animal Reproduction (070206): Humane Animal Treatment (070207): Sustainable Agricultural Development (070108)

Keywords

Farm animal production, health and welfare, particularly dairy cattle and goats

Specific research interests:

Lameness, mastitis, fertility, trace element nutrition, clinical pathology and diagnosis

Research Outputs

Journal

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Bates, AJ., Wells, M., Fitzpatrick, C., & Laven, RA. (2024). Effect of a pre-calving injectable trace mineral supplement on white blood cell function in seasonally calving pastoral dairy cows. New Zealand Veterinary Journal.
[Journal article]Authored by: Laven, R.

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Cuttance, EL., Mason, WA., Cranefield, S., & Laven, RA. (2025). The effect of three different preservatives on the numbers and types of bacteria, Brix percentage, pH and nutritional composition of bovine colostrum sourced from New Zealand dairy farms. New Zealand Veterinary Journal. 73(1), 10-19
[Journal article]Authored by: Laven, R.

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Laven, RA., Mason, WA., Laven, LJ., & Müller, KR. (2025). Repeatability of whole herd lameness scoring: an analysis of a New Zealand dataset. New Zealand Veterinary Journal. 73(1), 46-52
[Journal article]Authored by: Laven, R., Laven, L., Mueller, K.

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Arden, K., Rosanowski, SM., Laven, RA., & Mueller, KR. (2024). Dairy farmer, engagement and understanding of One Health and antimicrobial resistance - a pilot survey from the lower north island of Aotearoa New Zealand.. One Health Outlook. 6, Retrieved from https://onehealthoutlook.biomedcentral.com/articles/10.1186/s42522-024-00107-7
[Journal article]Authored by: Laven, R., Mueller, K.

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Laven, R., & Laven, L. (2024). Measuring hoof horn haemorrhage in heifers: A history. Veterinary Journal. 306
[Journal article]Authored by: Laven, R., Laven, L.

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Chambers, G., Laven, R., Grinberg, A., Ridler, A., & Velathanthiri, N. (2024). An observational study of farmer-reported clinical mastitis in New Zealand dairy ewes. New Zealand Veterinary Journal. 72(4), 212-224
[Journal article]Authored by: Grinberg, A., Laven, R., Ridler, A., Velathanthiri, N.

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Mason, WA., Müller, KR., Laven, LJ., Huxley, JN., & Laven, RA. (2024). Farm-level risk factors and treatment protocols for lameness in New Zealand dairy cattle. New Zealand Veterinary Journal. 72(4), 171-182
[Journal article]Authored by: Huxley, J., Laven, R., Laven, L., Mueller, K.

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Sapkota, S., Laven, R., Barsila, SR., Kells, N., Mueller, KR., & DC, D. (2024). Assessment of Welfare in Transhumance Yak Hybrids (Chauris) in the Lower Himalayan Region of Nepal. Ruminants. 4(1), 136-151
[Journal article]Authored by: Kells, N., Laven, R., Mueller, K.

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Joshi, A., Haththotuwa, N., Richard, JS., Laven, R., Dias, GJ., & Staiger, MP. (2024). In vitro calibration and in vivo validation of phenomenological corrosion models for resorbable magnesium-based orthopaedic implants. Acta Biomaterialia. 180, 171-182
[Journal article]Authored by: Laven, R.

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Ma, X., Laven, RA., Jiang, P., & Yang, DA. (2024). First report of the within-farm prevalence of bovine digital dermatitis in Chinese Holstein dairy cows in Jiangsu, China: A Bayesian modelling approach. Research in Veterinary Science. 172
[Journal article]Authored by: Laven, R.

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Cuttance, EL., Mason, WA., Hea, SY., Bryan, MA., & Laven, RA. (2024). The prevalence of damaged tails in New Zealand dairy cattle. New Zealand Veterinary Journal. 72(3), 123-132
[Journal article]Authored by: Laven, R.

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McPherson, A., Tranter, B., Phipps, A., Laven, R., House, J., Zadoks, RN., . . . Rowe, S. (2024). Etiology and epidemiology of digital dermatitis in Australian dairy herds. Journal of Dairy Science. 107(8), 5924-5941
[Journal article]Authored by: Laven, R.

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Mason, WA., Laven, LJ., Huxley, JN., & Laven, RA. (2024). Can lameness prevalence in dairy herds be predicted from farmers' reports of their motivation to control lameness and barriers to doing so? An observational study from New Zealand. Journal of Dairy Science. 107(4), 2332-2345
[Journal article]Authored by: Huxley, J., Laven, R., Laven, L.

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Gibson, M., Lawrence, KE., Balcomb, C., & Laven, RA. (2023). The effect of parenteral vitamin B<inf>12</inf> on the growth rate of dairy calves over the summer and autumn on seven farms from the Central Plateau, New Zealand. New Zealand Veterinary Journal. 72(1), 10-16
[Journal article]Authored by: Laven, R., Lawrence, K.

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Wang, Y., Yang, DA., Zhao, K., Laven, R., Jiang, P., & Yang, Z. (2023). Comparison of four clinical sample types for detection and investigation of PCV3 prevalence in the pig farrowing room. Preventive Veterinary Medicine. 221
[Journal article]Authored by: Laven, R.

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Mason, WA., Müller, KR., Huxley, JN., & Laven, RA. (2023). Prevalence of lameness on pasture-based New Zealand dairy farms: An observational study. Preventive Veterinary Medicine. 220
[Journal article]Authored by: Huxley, J., Laven, R., Mueller, K.

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Werema, CW., Hoekstra, F., Laven, LJ., Müller, KR., Gifford, D., & Laven, RA. (2023). Investigating the effect of prophylactic claw trimming on the interval between calving and first observed elevated locomotion score in pasture-based dairy cows. New Zealand Veterinary Journal. 71(6), 295-305
[Journal article]Authored by: Gifford, D., Laven, R., Laven, L., Mueller, K.

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Cuttance, EL., Mason, WA., Laven, RA., Ruddy, BP., Taberner, AJ., McKeage, JW., . . . Turner, SA. (2023). Investigating the use of local nerve blocks and general anaesthesia in reducing pain during and after disbudding procedure in goat kids. Journal of Applied Animal Welfare Science.
[Journal article]Authored by: Laven, R.

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Müller, KR., Laven, RA., & Laven, LJ. (2023). Persistence of orthopaedic hoof blocks for the treatment of lame cattle kept permanently at pasture. New Zealand Veterinary Journal. 71(5), 236-243
[Journal article]Authored by: Laven, R., Laven, L., Mueller, K.

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Mason, W., Laven, LJ., Cooper, M., & Laven, RA. (2023). Lameness recovery rates following treatment of dairy cattle with claw horn lameness in the Waikato region of New Zealand. New Zealand Veterinary Journal. 71(5), 226-235
[Journal article]Authored by: Laven, R., Laven, L.

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Zhang, Y., Shi, Q., Laven, R., Li, C., He, W., Zheng, H., . . . Chahan, B. (2023). Prevalence and genetic diversity of Theileria equi from horses in Xinjiang Uygur Autonomous region, China. Ticks and Tick-borne Diseases. 14(4)
[Journal article]Authored by: Laven, R.

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Nesaraj, J., Grinberg, A., Laven, R., & Biggs, P. (2023). Genomic epidemiology of bovine mastitis-causing Staphylococcus aureus in New Zealand. Veterinary Microbiology. 282
[Journal article]Authored by: Biggs, P., Grinberg, A., Laven, R.

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Werema, CW., Laven, LJ., Mueller, KR., & Laven, RA. (2023). Assessing Alternatives to Locomotion Scoring for Detecting Lameness in Dairy Cattle in Tanzania: Infrared Thermography. Animals. 13(8)
[Journal article]Authored by: Laven, R., Laven, L., Mueller, K.

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Werema, CW., Laven, LJ., Mueller, KR., & Laven, RA. (2023). Evaluating the Effect of Preventative Trimming on Distance from the Sole Surface to the Distal Phalanx Using Ultrasonography for Lameness Prevention in Pasture-Based Dairy Cows. Veterinary Sciences. 10(2)
[Journal article]Authored by: Laven, R., Laven, L., Mueller, K.

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Kaurivi, YB., Laven, RA., Hickson, R., Parkinson, TP., & Stafford, KJ. (2023). Assessing Extensive Cow-Calf Welfare in Namibia: Feasibility of Adapting a New Zealand Beef Cow Welfare Assessment Protocol. Journal of Applied Animal Welfare Science. 26(1), 91-101
[Journal article]Authored by: Laven, R.

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Hatami, Z., Laven, RA., Jafari-Gh, S., Moazez-Lesko, M., Soleimani, P., Jafari-Gh, A., . . . Sinafar, M. (2022). Factors Affecting the Perception and Practice of Iranian Nomadic and Semi-Nomadic Pastoralists in Regard to Biosecurity Practices in Sheep and Goat Farms: A Cross-Sectional and Prospective Study. Ruminants. 2(1), 54-73
[Journal article]Authored by: Laven, R.

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Chesterton, RN., Chesterton, S., & Laven, RA. (2022). Lesions found at foot trimming of dairy goats: Baseline data for comparing lesions and locomotion scoring. Veterinary Journal. 290
[Journal article]Authored by: Laven, R.

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Skirving, R., Bottema, CDK., Laven, R., Hue, DT., & Petrovski, KR. (2022). Incidence of Inadequate Transfer of Passive Immunity in Dairy Heifer Calves in South Australia. Animals. 12(21)
[Journal article]Authored by: Laven, R.

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Kumara, SN., Parkinson, TJ., Laven, RA., Waghorn, GC., Pushpakumara, A., & Donaghy, DJ. (2022). A Nutritional Investigation of Major Feed Types and Feed Rations Used in Medium-Scale Dairy Production Systems in Sri Lanka. Animals. 12(18)
[Journal article]Authored by: Donaghy, D., Laven, R.

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Sapkota, S., Laven, R., Müller, KR., & Kells, N. (2022). Practicability of a Time-Limited Welfare Assessment Protocol for Pasture-Based Dairy Farms, and a Preliminary Assessment of Welfare Outcome Thresholds. Animals. 12(18)
[Journal article]Authored by: Kells, N., Laven, R., Mueller, K.

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Mason, WA., Cuttance, EL., Müller, KR., Huxley, JN., & Laven, RA. (2022). Graduate Student Literature Review: A systematic review on the associations between nonsteroidal anti-inflammatory drug use at the time of diagnosis and treatment of claw horn lameness in dairy cattle and lameness scores, algometer readings, and lying times. Journal of Dairy Science. 105(11), 9021-9037
[Journal article]Authored by: Huxley, J., Laven, R., Mueller, K.

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Sapkota, S., Acharya, KP., Laven, R., & Acharya, N. (2022). Possible Consequences of Climate Change on Survival, Productivity and Reproductive Performance, and Welfare of Himalayan Yak (Bos grunniens). Veterinary Sciences. 9(8)
[Journal article]Authored by: Laven, R.

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Cuttance, EL., Mason, WA., McDermott, J., Laven, RA., Ruddy, BP., Taberner, AJ., . . . Turner, SA. (2024). Comparison of Three Anaesthetic Options to Reduce Acute Pain Response in Kid Goats. Journal of Applied Animal Welfare Science. 27(3), 465-476
[Journal article]Authored by: Laven, R.

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Kumara, SN., Parkinson, TJ., Laven, R., & Donaghy, DJ. (2022). The Influence of Rotational Length, along with Pre- and Post-Grazing Measures on Nutritional Composition of Pasture during Winter and Spring on New Zealand Dairy Farms. Animals. 12(15)
[Journal article]Authored by: Donaghy, D., Laven, R.

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Mason, WA., Huxley, JL., & Laven, RA. (2022). Randomized clinical trial investigating the effect of exercise and standing on concrete prior to first calving on time to first lameness event in dairy heifers. Journal of Dairy Science. 105(9), 7689-7704
[Journal article]Authored by: Huxley, J., Laven, R.

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Bates, AJ., Wells, M., & Laven, RA. (2022). The effect of pre-calving injection of trace mineral supplements on periparturient disease incidence in pasture based dairy cows. Veterinary Journal. 286
[Journal article]Authored by: Laven, R.

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Cuttance, EL., Mason, WA., McDermott, J., & Laven, RA. (2022). Suckling behavior of calves in seasonally calving pasture-based dairy systems, and possible environmental and management factors affecting suckling behaviors. Journal of Dairy Science. 105(7), 6094-6110
[Journal article]Authored by: Laven, R.

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Mason, WA., Cuttance, EL., & Laven, RA. (2022). The transfer of passive immunity in calves born at pasture. Journal of Dairy Science. 105(7), 6271-6289
[Journal article]Authored by: Laven, R.

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Yang, DA., & Laven, RA. (2022). Performance of the StaphGold ELISA test in determining subclinical Staphylococcus aureus infections in dairy cows using a Gaussian mixture model. Veterinary Medicine and Science. 8(4), 1632-1639
[Journal article]Authored by: Laven, R.

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Bates, AJ., King, C., Dhar, M., Fitzpatrick, C., & Laven, RA. (2022). Retention of internal teat sealants over the dry period and their efficacy in reducing clinical and subclinical mastitis at calving. Journal of Dairy Science. 105(6), 5449-5461
[Journal article]Authored by: Laven, R.

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Werema, CW., Yang, DA., Laven, LJ., Mueller, KR., & Laven, RA. (2022). Evaluating Alternatives to Locomotion Scoring for Detecting Lameness in Pasture-Based Dairy Cattle in New Zealand: In-Parlour Scoring. Animals. 12(6)
[Journal article]Authored by: Laven, R., Laven, L., Mueller, K.

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Yang, DA., Xiao, X., Jiang, P., Pfeiffer, DU., & Laven, RA. (2022). Keeping continuous diagnostic data continuous: Application of Bayesian latent class models in veterinary research. Preventive Veterinary Medicine. 201
[Journal article]Authored by: Laven, R.

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Laven, RA., Cuttance, EL., & Yang, DA. (2022). Diagnosing subclinical facial eczema in cattle: does combining liver enzyme tests increase the accuracy of diagnosis?. New Zealand Veterinary Journal. 70(3), 131-137
[Journal article]Authored by: Laven, R.

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Howard, P., Laven, LJ., & Laven, RA. (2022). A pilot monitoring strategy for post-partum disease in an Australian dairy herd. New Zealand Veterinary Journal. 70(3), 149-158
[Journal article]Authored by: Laven, R., Laven, L.

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Mason, WA., Cuttance, EL., Laven, RA., Jamieson, P., & Davis, SR. (2022). Quantification of zinc concentrations in serum, milk and faeces of dairy cattle as a measure of effective zinc supplementation for management of facial eczema. New Zealand Veterinary Journal. 70(1), 40-48
[Journal article]Authored by: Laven, R.

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Ekanayake, S., Kumara, YHPSN., Laven, L., Mueller, K., Pushpakumara, PGA., & Laven, R. (2021). The relationship between locomotion score and reproductive performance on an up-country large-scale commercial dairy farm in Sri Lanka. Sri Lanka Veterinary Journal. 68(1-2), 1-8 Retrieved from https://slvj.sljol.info/articles/10.4038/slvj.v68i1-2.55
[Journal article]Authored by: Laven, R., Laven, L., Mueller, K.

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Werema, CW., Laven, L., Mueller, K., & Laven, R. (2021). Evaluating alternatives to locomotion scoring for lameness detection in pasture-based dairy cows in new zealand: Infra-red thermography. Animals. 11(12)
[Journal article]Authored by: Laven, R., Laven, L., Mueller, K.

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Cristobal-Carballo, O., McCoard, SA., Cookson, AL., Laven, RA., Ganesh, S., Lewis, SJ., . . . Muetzel, S. (2021). Effect of Divergent Feeding Regimes During Early Life on the Rumen Microbiota in Calves. Frontiers in Microbiology. 12
[Journal article]Authored by: Laven, R.

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Kabuni, KT., & Laven, R. (2021). The effect of scrotal circumference on pregnancy rates in mpwapwa breed cattle during september – november 2020 breeding season at taliri mpwapwa farm in tanzania. Journal of Animal Health and Production. 9(4), 357-361
[Journal article]Authored by: Laven, R.

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Cristobal-Carballo, O., McCoard, SA., Cookson, AL., Ganesh, S., Lowe, K., Laven, RA., . . . Muetzel, S. (2021). Effect of Methane Inhibitors on Ruminal Microbiota During Early Life and Its Relationship With Ruminal Metabolism and Growth in Calves. Frontiers in Microbiology. 12
[Journal article]Authored by: Laven, R.

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Silva, AC., Laven, R., & Benites, NR. (2021). Risk factors associated with mastitis in smallholder dairy farms in southeast brazil. Animals. 11(7)
[Journal article]Authored by: Laven, R.

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Aaron Yang, D., & Laven, RA. (2021). Design-based approach for analysing survey data in veterinary research. Veterinary Sciences. 8(6)
[Journal article]Authored by: Laven, R.

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Ebrahimie, E., Mohammadi-Dehcheshmeh, M., Laven, R., & Petrovski, KR. (2021). Rule discovery in milk content towards mastitis diagnosis: Dealing with farm heterogeneity over multiple years through classification based on associations. Animals. 11(6)
[Journal article]Authored by: Laven, R.

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Rowe, S., Tranter, W., & Laven, R. (2021). Longitudinal study of herd udder hygiene and its association with clinical mastitis in pasture-based dairy cows. Journal of Dairy Science. 104(5), 6051-6060
[Journal article]Authored by: Laven, R.

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Cuttance, EL., Mason, WA., & Laven, RA. (2021). The association of milk-solid production during the current lactation with liver damage due to presumptive ingestion of spores from Pithomyces chatarum by dairy cattle. New Zealand Veterinary Journal. 69(4), 201-210
[Journal article]Authored by: Laven, R.

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Kaurivi, YB., Laven, R., Hickson, R., Parkinson, T., & Stafford, K. (2021). Assessing extensive semi-arid rangeland beef cow-calf welfare in Namibia. Part 2: Categorisation and scoring of welfare assessment measures. Animals. 11(2), 1-23
[Journal article]Authored by: Laven, R.

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Handcock, RC., Jenkinson, CMC., Laven, R., McNaughton, LR., Lopez-Villalobos, N., Back, PJ., . . . Hickson, RE. (2021). Linear versus seasonal growth of dairy heifers decreased age at puberty but did not affect first lactation milk production. New Zealand Journal of Agricultural Research. 64(1), 83-100 Retrieved from https://www.tandfonline.com/doi/full/10.1080/00288233.2019.1607404
[Journal article]Authored by: Back, P., Jenkinson, C., Laven, R., Lopez-Villalobos, N.

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Kaurivi, YB., Laven, R., Parkinson, T., Hickson, R., & Stafford, K. (2021). Assessing extensive semi-arid rangeland beef cow–calf welfare in Namibia: Part 1: Comparison between farm production system’s effect on the welfare of beef cows. Animals. 11(1), 1-21
[Journal article]Authored by: Laven, R.

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Kaurivi, YB., Laven, R., Parkinson, T., Hickson, R., & Stafford, K. (2020). Effect of Animal Welfare on the Reproductive Performance of Extensive Pasture-Based Beef Cows in New Zealand. Veterinary Sciences. 7(4), Retrieved from https://www.mdpi.com/2306-7381/7/4/200
[Journal article]Authored by: Laven, R.

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Kaurivi, YB., Laven, R., Parkinson, T., Hickson, R., & Stafford, K. (2020). Effect of animal welfare on the reproductive performance of extensive pasture-based beef cows in new zealand. Veterinary Sciences. 7(4), 1-15
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Bates, A., Laven, R., O'Brien, R., Liggett, S., & Griffin, F. (2020). Estimation of the sensitivity and specificity of four serum ELISA and one fecal PCR for diagnosis of paratuberculosis in adult dairy cattle in New Zealand using Bayesian latent class analysis. Preventive Veterinary Medicine. 185
[Journal article]Authored by: Laven, R.

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Kells, NJ., Beausoleil, NJ., Johnson, CB., Chambers, JP., O'Connor, C., Webster, J., . . . Cogger, N. (2020). Indicators of dehydration in healthy 4- to 5-day-old dairy calves deprived of feed and water for 24 hours. Journal of Dairy Science. 103(12), 11820-11832
[Journal article]Authored by: Beausoleil, N., Cogger, N., Johnson, C., Kells, N., Laven, R.

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Sapkota, S., Laven, R., Müller, K., & Kells, N. (2020). Animal welfare assessment: Can we develop a practical, time-limited assessment protocol for pasture-based dairy cows in New Zealand?. Animals. 10(10), 1-20
[Journal article]Authored by: Kells, N., Laven, R., Mueller, K.

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Laven, RA., Cuttance, EL., Yang, DA., & Mason, WA. (2021). The prevalence of gross pathological damage in the livers of dairy cattle at processing plants in autumn in the North Island of New Zealand and an assessment of the gross liver pathology score as a method for estimating the prevalence of facial eczema. New Zealand Veterinary Journal. 69(2), 113-120
[Journal article]Authored by: Laven, R.

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Kaurivi, YB., Hickson, R., Laven, R., Parkinson, T., & Stafford, K. (2020). Developing an animal welfare assessment protocol for cows in extensive beef cow-calf systems in New Zealand. Part 2: Categorisation and scoring of welfare assessment measures. Animals. 10(9), 1-19
[Journal article]Authored by: Laven, R.

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Laven, R. (2020). Relevance of clinical decision making articles. Veterinary Record. 187(6), 238-239
[Journal article]Authored by: Laven, R.

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Kaurivi, YB., Laven, R., Hickson, R., Parkinson, T., & Stafford, K. (2020). Developing an animal welfare assessment protocol for cows in extensive beef cow-calf systems in New Zealand. Part 1: Assessing the feasibility of identified animal welfare assessment measures. Animals. 10(9), 1-16
[Journal article]Authored by: Laven, R.

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Love, M., & Laven, RA. (2020). Measurement of serum zinc concentration in ruminants: a comparison of results from standard serum and specific trace element collection tubes. New Zealand Veterinary Journal. , 349-352
[Journal article]Authored by: Laven, R.

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Nortjé, R., Laven, RA., Allott, B., & Kenyon, AG. (2020). Changes in the metabolic profiles of dairy cows before and after calving that were mainly fed fodder beet (Beta vulgaris vulgaris L.) during the dry period. New Zealand Veterinary Journal. 68(6), 353-358
[Journal article]Authored by: Laven, R.

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Stilwell, G., & Laven, RA. (2020). Comparison of two topical treatments on wound healing 7 days after disbudding of calves using thermocautery. New Zealand Veterinary Journal. 68(5), 304-308
[Journal article]Authored by: Laven, R.

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Bates, A., Wells, M., Laven, R., Ferriman, L., Heiser, A., & Fitzpatrick, C. (2020). Effect of an injectable trace mineral supplement on the immune response of dairy calves. Research in Veterinary Science. 130, 1-10
[Journal article]Authored by: Laven, R.

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Yang, DA., Laven, RA., Müller, KR., & Gates, MC. (2020). Modelling the transmission dynamics of bovine digital dermatitis in New Zealand pastoral dairy production systems. Veterinary Research. 51(1)
[Journal article]Authored by: Gates, M., Laven, R., Mueller, K.

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Bates, A., Laven, R., Bork, O., Hay, M., McDowell, J., & Saldias, B. (2020). Selective and deferred treatment of clinical mastitis in seven New Zealand dairy herds. Preventive Veterinary Medicine. 176
[Journal article]Authored by: Laven, R.

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Jafari-Gh, A., Laven, RA., Eila, N., Yadi, J., Hatami, Z., Soleimani, P., . . . Heidari, E. (2020). Transboundary and infectious diseases of small ruminants: Knowledge, attitude, and practice of nomadic and semi-nomadic pastoralists in northern Iran. Small Ruminant Research. 183
[Journal article]Authored by: Laven, R.

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Laven, RA., & Jermy, MC. (2020). Measuring the torque required to cause vertebral dislocation in cattle tails. New Zealand Veterinary Journal. 68(2), 107-111
[Journal article]Authored by: Laven, R.

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Hendriks, SJ., & Laven, RA. (2020). Selenium requirements in grazing dairy cows: a review. New Zealand Veterinary Journal. 68(1), 13-22
[Journal article]Authored by: Laven, R.

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Mason, WA., Cuttance, EL., Laven, RA., & Phyn, CVC. (2020). Short communication: Replacement heifer mortality from weaning until second mating in seasonal-calving, pasture-based dairy herds in New Zealand. Journal of Dairy Science. 103(1), 902-908
[Journal article]Authored by: Laven, R.

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(2019). Reduction in morbidity and mortality of dairy calves from an injectable trace mineral supplement. Veterinary Record. 184(22), 680
[Journal article]Authored by: Laven, R.

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(2019). Relationships between failure of passive transfer and subsequent mortality, bodyweights and lactation performance in 12–36 month old heifers on pasture-based, seasonal calving dairy farms in New Zealand. Veterinary Journal. 251
[Journal article]Authored by: Laven, R.

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(2019). Estimation of perinatal mortality in dairy calves: A review. Veterinary Journal. 252
[Journal article]Authored by: Laven, R.

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(2019). Perinatal mortality risk factors in dairy calves. Veterinary Journal. 253
[Journal article]Authored by: Laven, R.

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Cuttance, EL., Regnerus, C., & Laven, RA. (2019). A review of diagnostic tests for diagnosing failure of transfer of passive immunity in dairy calves in New Zealand. New Zealand Veterinary Journal. 67(6), 277-286
[Journal article]Authored by: Laven, R.

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Cuttance, EL., Mason, WA., Yang, DA., Laven, RA., McDermott, J., & Inglis, K. (2019). Effects of a topically applied anaesthetic on the behaviour, pain sensitivity and weight gain of dairy calves following thermocautery disbudding with a local anaesthetic. New Zealand Veterinary Journal. 67(6), 295-305
[Journal article]Authored by: Laven, R.

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Wangmo, K., Laven, R., Cliquet, F., Wasniewski, M., & Yang, A. (2019). Comparison of antibody titres between intradermal and intramuscular rabies vaccination using inactivated vaccine in cattle in Bhutan. PLoS ONE. 14(6)
[Journal article]Authored by: Laven, R.

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Handcock, RC., Jenkinson, CMC., Laven, R., McNaughton, LR., Lopez-Villalobos, N., Back, PJ., . . . Hickson, RE. (2021). Linear versus seasonal growth of dairy heifers decreased age at puberty but did not affect first lactation milk production. New Zealand Journal of Agricultural Research. 64(1), 83-100
[Journal article]Authored by: Back, P., Jenkinson, C., Laven, R., Lopez-Villalobos, N.

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Dwyer, C., Whitfield, LK., & Laven, RA. (2019). The effect of elemental Zn boluses on concentrations of Zn in serum and faeces of South American camelids. New Zealand Veterinary Journal. 67(4), 210-213
[Journal article]Authored by: Laven, R.

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Carballo, OC., Khan, MA., Knol, FW., Lewis, SJ., Stevens, DR., Laven, RA., . . . McCoard, SA. (2019). Impact of weaning age on rumen development in artificially reared lambs. Journal of Animal Science. 97(8), 3498-3510
[Journal article]Authored by: Laven, R.

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Yang, DA., Gates, MC., Müller, KR., & Laven, RA. (2019). Bayesian analysis of herd-level risk factors for bovine digital dermatitis in New Zealand dairy herds. BMC Veterinary Research. 15(1)
[Journal article]Authored by: Gates, M., Laven, R., Mueller, K.

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Kaurivi, YB., Laven, R., Hickson, R., Stafford, K., & Parkinson, T. (2019). Identification of suitable animal welfare assessment measures for extensive beef systems in new zealand. Agriculture (Switzerland). 9(3)
[Journal article]Authored by: Laven, R.

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Yang, DA., Laven, RA., & Chesterton, RN. (2019). Effects of climate and farm management practices on bovine digital dermatitis in spring-calving pasture-based dairy farms in Taranaki, New Zealand. Veterinary Journal. 247, 75-80
[Journal article]Authored by: Laven, R.

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Vanhoudt, A., Yang, DA., Armstrong, T., Huxley, JN., Laven, RA., Manning, AD., . . . Bell, NJ. (2019). Interobserver agreement of digital dermatitis M-scores for photographs of the hind feet of standing dairy cattle. Journal of Dairy Science. 102(6), 5466-5474
[Journal article]Authored by: Huxley, J., Laven, R.

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Yang, DA., & Laven, RA. (2019). Detecting bovine digital dermatitis in the milking parlour: To wash or not to wash, a Bayesian superpopulation approach. Veterinary Journal. 247, 38-43
[Journal article]Authored by: Laven, R.

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Yang, DA., Johnson, WO., Müller, KR., Gates, MC., & Laven, RA. (2019). Estimating the herd and cow level prevalence of bovine digital dermatitis on New Zealand dairy farms: A Bayesian superpopulation approach. Preventive Veterinary Medicine. 165, 76-84
[Journal article]Authored by: Gates, M., Laven, R., Mueller, K.

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Yang, DA., & Laven, RA. (2019). Inter-observer agreement between two observers for bovine digital dermatitis identification in New Zealand using digital photographs. New Zealand Veterinary Journal. 67(3), 143-147
[Journal article]Authored by: Laven, R.

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Razavi, SA., Pourjafar, M., Hajimohammadi, A., Valizadeh, R., Naserian, AA., Laven, R., . . . Mueller, KR. (2019). Effects of dietary supplementation of bentonite and Saccharomyces cerevisiae cell wall on acute-phase protein and liver function in high-producing dairy cows during transition period. Tropical Animal Health and Production. 51(5), 1225-1237
[Journal article]Authored by: Laven, R., Mueller, K.

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Castillo-Alcala, F., Brown, S., Crawshaw, T., Laven, RA., Riddle, G., & Lizarraga, I. (2019). Urine retention in cattle putatively associated with injection of an ivermectin and closantel anthelmintic formulation into the ischiorectal fossa. New Zealand Veterinary Journal. 67(3), 148-154
[Journal article]Authored by: Castillo Alcala, F., Laven, R.

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Razavi, SA., Pourjafar, M., Hajimohammadi, A., Valizadeh, R., Naserian, AA., Laven, R., . . . Mueller, KR. (2019). Effects of dietary supplementation of bentonite and yeast cell wall on serum blood urea nitrogen, triglyceride, alkaline phosphatase, and calcium in high-producing dairy cattle during the transition period. Comparative Clinical Pathology. 28(2), 419-425
[Journal article]Authored by: Laven, R., Mueller, K.

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Laven, RA. (2018). Bovine Surgery and Lameness, Third Edition. New Zealand veterinary journal. 66(5), 272
[Journal article]Authored by: Laven, R.

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Cuttance, EL., Mason, WA., Laven, RA., & Phyn, CVC. (2018). The relationship between failure of passive transfer and mortality, farmer-recorded animal health events and body weights of calves from birth until 12 months of age on pasture-based, seasonal calving dairy farms in New Zealand. Veterinary Journal. 236, 4-11
[Journal article]Authored by: Laven, R.

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Yang, DA., Laven, RA., Heuer, C., Vink, WD., & Chesterton, RN. (2018). Farm level risk factors for bovine digital dermatitis in Taranaki, New Zealand: An analysis using a Bayesian hurdle model. Veterinary Journal. 234, 91-95
[Journal article]Authored by: Laven, R.

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Cuttance, EL., Laven, RA., & Watts, A. (2018). Effect of sodium molybdate supplementation on high concentrations of Cu in liver of yearling bulls. New Zealand Veterinary Journal. 66(4), 194-198
[Journal article]Authored by: Laven, R.

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Rowe, SM., Tranter, WP., & Laven, RA. (2018). Effect of pre-milking teat disinfection on clinical mastitis incidence in a dairy herd in Northern Queensland, Australia. Australian Veterinary Journal. 96(3), 69-75
[Journal article]Authored by: Laven, R.

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Cuttance, EL., Mason, WA., Laven, RA., Denholm, KS., & Yang, D. (2018). Calf and colostrum management practices on New Zealand dairy farms and their associations with concentrations of total protein in calf serum. New Zealand Veterinary Journal. 66(3), 126-131
[Journal article]Authored by: Laven, R.

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Whitfield, LK., & Laven, R. (2018). A comparison of the effect of short-acting and long-acting cloxacillin-based dry-cow therapy on somatic cell counts after calving in cows also given internal teat sealants. New Zealand Veterinary Journal. 66(1), 44-47 Retrieved from https://www.tandfonline.com/doi/full/10.1080/00480169.2017.1386134
[Journal article]Authored by: Laven, R.

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Yang, DA., Heuer, C., Laven, R., Vink, WD., & Chesterton, RN. (2017). Estimating the true prevalence of bovine digital dermatitis in taranaki, New Zealand using a bayesian latent class model. Preventive Veterinary Medicine. 147, 158-162
[Journal article]Authored by: Laven, R.

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Cuttance, EL., Mason, WA., McDermott, J., Laven, RA., McDougall, S., & Phyn, CVC. (2017). Calf and replacement heifer mortality from birth until weaning in pasture-based dairy herds in New Zealand. Journal of Dairy Science. 100(10), 8347-8357
[Journal article]Authored by: Laven, R.

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Sahu, SK., Cockrem, JF., Parkinson, TJ., & Laven, RA. (2017). Effects of GnRH, a progesterone-releasing device, and energy balance on an oestrus synchronisation program in anoestrous dairy cows. Australian Veterinary Journal. 95(8), 281-288
[Journal article]Authored by: Laven, R.

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Cuttance, EL., Mason, WA., Laven, RA., McDermott, J., & Phyn, CVC. (2017). Prevalence and calf-level risk factors for failure of passive transfer in dairy calves in New Zealand. New Zealand Veterinary Journal. 65(6), 297-304
[Journal article]Authored by: Laven, R.

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Yang, DA., Heuer, C., Laven, R., Vink, WD., & Chesterton, RN. (2017). Farm and cow-level prevalence of bovine digital dermatitis on dairy farms in Taranaki, New Zealand. New Zealand Veterinary Journal. 65(5), 252-256
[Journal article]Authored by: Laven, R.

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Cuttance, EL., Laven, RA., & Stevenson, MA. (2017). Variability in measurement of Pithomyces chartarum spore counts. New Zealand Veterinary Journal. 65(4), 192-197
[Journal article]Authored by: Laven, R.

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Laven, RA. (2017). Untangling best practice for controlling footrot in sheep. Veterinary Journal. 221, 14-15
[Journal article]Authored by: Laven, R.

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Steele, NM., Williamson, JH., Thresher, R., Laven, RA., & Hillerton, JE. (2017). Evaluating a commercial PCR assay against bacterial culture for diagnosing Streptococcus uberis and Staphylococcus aureus throughout lactation. Journal of Dairy Science. 100(5), 3816-3824
[Journal article]Authored by: Laven, R.

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Cuttance, EL., Mason, WA., Denholm, KS., & Laven, RA. (2017). Comparison of diagnostic tests for determining the prevalence of failure of passive transfer in New Zealand dairy calves. New Zealand Veterinary Journal. 65(1), 6-13
[Journal article]Authored by: Laven, R.

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Laven, R. (2016). Estimating fetal age: how accurate is it really?. New Zealand Veterinary Journal. 64(6), 317
[Journal article]Authored by: Laven, R.

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Laven, R. (2016). Treatment of contagious ovine digital dermatitis. Veterinary Record. 179(16), 416
[Journal article]Authored by: Laven, R.

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Adeyinka, FD., Laven, RA., de Nicolo, G., Lawrence, KE., & Parkinson, TJ. (2016). The Use of Stereology Method to Estimate the Volume of Feto-Maternal Exchange Area of the Bovine Placentome during Gestation. Anatomical Record. 299(11), 1571-1577
[Journal article]Authored by: Laven, R., Lawrence, K.

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Cuttance, EL., Laven, RA., & Stevenson, M. (2016). Effect of pasture sward mix on Pithomyces chartarum spore counts in New Zealand. New Zealand Journal of Agricultural Research. 59(3), 318-323
[Journal article]Authored by: Laven, R.

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Cuttance, EL., Stevenson, MA., Laven, RA., & Mason, WA. (2016). Facial eczema management protocols used on dairy farms in the North Island of New Zealand and associated concentrations of zinc in serum. New Zealand Veterinary Journal. 64(6), 343-350
[Journal article]Authored by: Laven, R.

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Bates, AJ., Laven, RA., Chapple, F., & Weeks, DS. (2016). The effect of different combinations of local anaesthesia, sedative and non-steroidal anti-inflammatory drugs on daily growth rates of dairy calves after disbudding. New Zealand Veterinary Journal. 64(5), 282-287
[Journal article]Authored by: Laven, R.

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Bates, AJ., Kenyon, AG., Laven, RA., & McDowell, JC. (2016). Resynchronising returns to service in anoestrous dairy cows in the South Island of New Zealand. New Zealand Veterinary Journal. 64(5), 268-274
[Journal article]Authored by: Laven, R.

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Cuttance, EL., Laven, RA., Mason, WA., & Stevenson, M. (2016). The influence of lime and nitrogen fertilisers on spore counts of Pithomyces chartarum in pasture. New Zealand Veterinary Journal. 64(6), 351-355
[Journal article]Authored by: Laven, R.

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Bates, AJ., Chambers, G., & Laven, RA. (2016). Comparison of cephalonium alone and in combination with an internal teat sealant for dry cow therapy in seasonally calving dairy cows. New Zealand Veterinary Journal. 64(2), 95-100
[Journal article]Authored by: Laven, R.

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Laven, RA., & Fabian, J. (2016). Applying animal-based welfare assessments on New Zealand dairy farms: feasibility and a comparison with United Kingdom data. New Zealand Veterinary Journal. 64(4), 212-217
[Journal article]Authored by: Laven, R.

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Lawrence, KE., Adeyinka, FD., Laven, RA., & Jones, G. (2016). Assessment of the accuracy of estimation of gestational age in cattle from placentome size using inverse regression. New Zealand Veterinary Journal. 64(4), 248-252
[Journal article]Authored by: Laven, R., Lawrence, K.

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Laven, RA. (2016). Bovine medicine, 3rd Edition. New Zealand Veterinary Journal. 64(1), 69-69
[Book Review]Authored by: Laven, R.

Sahu, SK., Cockrem, JF., Parkinson, TJ., & Laven, RA. (2015). Effects of progesterone inclusion in a gonadotropin-prostaglandin-gonadotropin programme on follicular dynamics and ovulation synchronisation of pasture-based dairy cows with anoestrous. Research in Veterinary Science. 102, 200-205
[Journal article]Authored by: Laven, R.

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Laven, LJ., Wang, L., Regnerus, C., & Laven, RA. (2015). Measuring claw conformation in cattle: Assessing the agreement between manual and digital measurement. Animals. 5(3), 687-701
[Journal article]Authored by: Laven, R., Laven, L.

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Sahu, SK., Parkinson, TJ., & Laven, RA. (2015). Conception rates to fixed-time artificial insemination of two oestrus synchronisation programmes in dairy heifers. New Zealand Veterinary Journal. 63(3), 158-161
[Journal article]Authored by: Laven, R.

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Bates, AJ., Eder, P., & Laven, RA. (2015). Effect of analgesia and anti-inflammatory treatment on weight gain and milk intake of dairy calves after disbudding. New Zealand Veterinary Journal. 63(3), 153-157
[Journal article]Authored by: Laven, R.

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Hine, L., Laven, RA., & Sahu, SK. (2015). An analysis of the effect of thermometer type and make on rectal temperature measurements of cattle, horses and sheep. New Zealand Veterinary Journal. 63(3), 171-173
[Journal article]Authored by: Laven, R.

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Laven, RA. (2015). Systematically tackling hock lesions. Veterinary Journal. 203(1), 2-3
[Journal article]Authored by: Laven, R.

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Adeyinka, FD., Laven, RA., Lawrence, KE., van Den Bosch, M., Blankenvoorde, G., & Parkinson, TJ. (2014). Association between placentome size, measured using transrectal ultrasonography, and gestational age in cattle (vol 62, pg 51, 2014). NEW ZEALAND VETERINARY JOURNAL. 62(2), III-III
[Journal article]Authored by: Laven, R.

Tulley, W., & Laven, R. (2014). Investigation of recumbency in cattle at slaughter in New Zealand: Preliminary results. Cattle Practice. 22, 294
[Journal article]Authored by: Laven, R.

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Laven, RA. (2014). Estimating fetal age—how accurate are we?. Livestock. 19(4), 217-220
[Journal article]Authored by: Laven, R.

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Laven, RA. (2014). Estimating fetal age—how accurate are we?. Livestock. 19(4)
[Journal article]Authored by: Laven, R.

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Bates, AJ., Eder, P., & Laven, RA. (2014). Effect of analgesia and anti-inflammatory treatment on weight gain and milk intake of dairy calves after disbudding. New Zealand Veterinary Journal.
[Journal article]Authored by: Laven, R.

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Sahu, SK., Parkinson, TJ., & Laven, RA. (2014). Conception rates to fixed-time artificial insemination of two oestrus synchronisation programmes in dairy heifers. New Zealand Veterinary Journal.
[Journal article]Authored by: Laven, R.

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Laven, RA. (2014). Color atlas of diseases and disorders of cattle (3rd edtn). New Zealand Veterinary Journal. 62(4), 235
[Book Review]Authored by: Laven, R.

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Sahu, SK., Cockrem, JF., Parkinson, TJ., & Laven, RA. (2014). The effects of exclusion of progesterone or Day 0 GnRH from a GnRH, prostaglandin, GnRH+progesterone program on synchronization of ovulation in pasture-based dairy heifers. Theriogenology. 82(4), 643-651
[Journal article]Authored by: Laven, R.

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Fabian, J., Laven, RA., & Whay, HR. (2014). The prevalence of lameness on New Zealand dairy farms: A comparison of farmer estimate and locomotion scoring. Veterinary Journal. 201(1), 31-38
[Journal article]Authored by: Laven, R.

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Adeyinka, FD., Laven, RA., Lawrence, KE., van den Bosch, M., Blankenvoorde, G., & Parkinson, TJ. (2014). Association between placentome size, measured using transrectal ultrasonography, and gestational age in cattle. New Zealand Veterinary Journal. 62(2), 51-56
[Journal article]Authored by: Laven, R.

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Adeyinka, FD., Laven, RA., Lawrence, KE., van den Bosch, M., Blankenvoorde, G., & Parkinson, TJ. (2014). Corrigendum to Association between placentome size, measured using transrectal ultrasonography, and gestational age in cattle (New Zealand Veterinary Journal, (2013), 10.1080/00480169.2013.832620). New Zealand Veterinary Journal. 62(2)
[Journal article]Authored by: Laven, R., Lawrence, K.

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Laven, RA., Balcomb, CC., Tulley, WT., & Lawrence, KE. (2014). Effect of dry period length on the effect of an intramammary teat sealant on the risk of mastitis in cattle treated with antibiotics at drying off. New Zealand Veterinary Journal. 62(4), 214-220
[Journal article]Authored by: Laven, R., Lawrence, K.

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Vink, D., Weston, JF., Laven, R., & Chesterton, N. (2013). Bovine digital dermatits: Prevention and control. Sheep and beef Cattle Veterinarians Newsletter. (44), 20-23
[Journal article]Authored by: Laven, R., Weston, J.

Laven, RA. (2013). Treatment of Escherichia coli mastitis: are antibiotics needed?. Livestock. 18(3), 59-62 Retrieved from http://onlinelibrary.wiley.com/
[Journal article]Authored by: Laven, R.

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Lawrence, K., Tulley, W., & Laven, RA. (2013). Observations on the incidence and seasonality of uterine torsion and left displaced abomasum following the 2001 outbreak of foot-and-mouth disease in the UK. The Veterinary Journal. 196, 332-338
[Journal article]Authored by: Laven, R., Lawrence, K.

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Lawrence, K., Tulley, W., & Laven, R. (2013). Observations on the incidence and seasonality of uterine torsion and left displaced abomasum following the 2001 outbreak of foot-and-mouth disease in the UK. Veterinary Journal. 196(3), 332-338
[Journal article]Authored by: Laven, R.

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Adeyinka, F., Laven, R., Lawrence, K., van Den Bosch, M., Blankenvoorde, G., & Parkinson, T. (2013). Association between placentome size, measured using transrectal ultrasonography, and gestational age in cattle. New Zealand Veterinary Journal.
[Journal article]Authored by: Laven, R., Lawrence, K.

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Laven, RA., & Nortje, R. (2013). Diagnosis of the Cu and Se status of dairy cattle in New Zealand: How many samples are needed?. New Zealand Veterinary Journal. 61(5), 269-273
[Journal article]Authored by: Laven, R.

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(2012). Bovine lameness: Still more to learn. Veterinary Journal. 193(3), 607-609
[Journal article]Authored by: Laven, R.

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Lawrence, K., Tulley, W., & Laven, R. (2012). Observations on the incidence and seasonality of uterine torsion and left displaced abomasum following the 2001 outbreak of foot-and-mouth disease in the UK. Veterinary Journal.
[Journal article]Authored by: Laven, R.

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Alawneh, JI., Laven, RA., & Stevenson, MA. (2012). Interval between detection of lameness by locomotion scoring and treatment for lameness: A survival analysis. Veterinary Journal. 193(3), 622-625
[Journal article]Authored by: Laven, R.

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Laven, R., Chambers, P., & Stafford, K. (2012). Using non-steroidal anti-inflammatory drugs around calving: Maximizing comfort, productivity and fertility. Veterinary Journal. 192(1), 8-12
[Journal article]Authored by: Laven, R.

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Laven, R. (2012). Use of parenteral long-acting and topical oxytetracycline, without hoof trimming, for treatment of footrot in goats. New Zealand Veterinary Journal. 60(3), 213-214
[Journal article]Authored by: Laven, R.

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Laven, LJ., Laven, RA., Parkinson, TJ., Lopez-Villalobos, N., & Margerison, JK. (2012). An evaluation of the changes in distance from the external sole surface to the distal phalanx in heifers in their first lactation. Veterinary Journal. 193(3), 639-643
[Journal article]Authored by: Laven, R., Lopez-Villalobos, N.Edited by: Laven, R.

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Hickson, RE., Laven, RL., Lopez-Villalobos, N., Kenyon, PR., & Morris, ST. (2012). Postpartum anoestrous interval in first-lactation beef and dairy-beef crossbred cows. Animal Production Science. 52(7), 478-482
[Journal article]Authored by: Kenyon, P., Laven, R., Lopez-Villalobos, N., Morris, S.

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Laven, RA. (2012). Effect of use of teat sealants at drying off on the uptake of colostral antibodies by calves, as estimated by measuring gamma-glutamyl transferase activity. New Zealand Veterinary Journal. 60(1), 47-49
[Journal article]Authored by: Laven, R.

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Mason, WA., Laven, LJ., & Laven, RA. (2012). An outbreak of toe ulcers, sole ulcers and white line disease in a group of dairy heifers immediately after calving. New Zealand Veterinary Journal. 60(1), 76-81
[Journal article]Authored by: Laven, R., Laven, L.

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Laven, RA., & Lawrence, KE. (2012). An evaluation of the effect of clotting on the recovery of copper from caprine blood. Veterinary Journal. 192(2), 232-235
[Journal article]Authored by: Laven, R., Lawrence, K.

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Laven, R., & Livesey, C. (2011). Getting to grips with hock lesions in cattle. Veterinary Record. 169(24), 632-633
[Journal article]Authored by: Laven, R.

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Laven, LJ., Margerison, JK., & Laven, RA. (2012). Validation of a portable ultrasound machine for estimating sole thickness in dairy cattle in New Zealand. New Zealand Veterinary Journal. 60(2), 123-128
[Journal article]Authored by: Laven, R., Laven, L.

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Laven, RA., & Wilson, PR. (2011). Re: Possible subclinical hepatopathy after copper supplementation in farmed red deer (vol 59, pg 197, 2011). NEW ZEALAND VETERINARY JOURNAL. 59(6), 339-339
[Journal article]Authored by: Laven, R.

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Laven, R. (2011). Writing up trials: From newsletters to peer-reviewed articles. VetScript. 24(11), 42-43 Retrieved from http://www.sciquest.org.nz/elibrary/edition/5570
[Journal article]Authored by: Laven, R.

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Gordon, E., Tulley, W., Herdan, C., Pauwels, F., & Lawrence, KE. (2011). Haemorrhagic bowel disease. Dairy Cattle Vets Newsletter. 29(2), 6-7
[Journal article]Authored by: Lawrence, K.Edited by: Laven, R.

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Laven, R. (2011). Fetal abnormaility. VetScript. 24(10), 51-51 Retrieved from http://www.sciquest.org.nz/node/73306
[Journal article]Authored by: Laven, R.

Alawneh, JI., Laven, RA., & Stevenson, MA. (2011). The effect of lameness on the fertility of dairy cattle in a seasonally breeding pasture-based system. Journal of Dairy Science. 94(11), 5487-5493
[Journal article]Authored by: Laven, R.

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Laven, R., & Tulley, W. (2011). Renal function of dairy cows with subclinical ketosis. Veterinary Record. 169(10), 262
[Journal article]Authored by: Laven, R.

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Laven, RA., & Wilson, PR. (2011). Possible subclinical hepatopathy after copper supplementation in farmed red deer. New Zealand Veterinary Journal. 59(4), 197-200
[Journal article]Authored by: Laven, R.

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Lawrence, KE., Chesterton, RN., & Laven, RA. (2011). Further investigation of lameness in cows at pasture: An analysis of the lesions found in, and some possible risk factors associated with, lame New Zealand dairy cattle requiring veterinary treatment. Journal of Dairy Science. 94(6), 2794-2805
[Journal article]Authored by: Laven, R., Lawrence, K.

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Petrovski, KR., Laven, RA., & Lopez-Villalobos, N. (2011). A descriptive analysis of the antimicrobial susceptibility of mastitis-causing bacteria isolated from samples submitted to commercial diagnostic laboratories in New Zealand (2003-2006). New Zealand Veterinary Journal. 59(2), 59-66
[Journal article]Authored by: Laven, R., Lopez-Villalobos, N.

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Livesey, C., Suttle, N., Laven, R., Payne, J., & Harwood, D. (2010). Goats: Establishing the plasma copper reference range in Boer goats. Veterinary Record. 167(16), 627-628
[Journal article]Authored by: Laven, R.

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Laven, RA., & Lawrence, KE. (2010). Re: Analysis of the value of measurement of the activity of caeruloplasmin as an alternative to measurement of the concentration of elemental copper in plasma and serum of farmed red deer (vol 58, 207, 2010). NEW ZEALAND VETERINARY JOURNAL. 58(5), 272-272
[Journal article]Authored by: Laven, R., Lawrence, K.

Laven, RA., & Lawrence, KE. (2010). Analysis of the value of measurement of the activity of caeruloplasmin as an alternative to measurement of the concentration of elemental copper in plasma and serum of farmed red deer. New Zealand Veterinary Journal. 58(4), 207-212
[Journal article]Authored by: Laven, R., Lawrence, K.

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Laven, R. (2010). Disease facts. Livestock: The Journal for the Veterinary Surgeon in General Practice. 15(1), 26-28
[Journal article]Authored by: Laven, R.

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Laven, R. (2009). Use of antimicrobials. Veterinary Record. 164(26), 819-820
[Journal article]Authored by: Laven, R.

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Laven, RA., & Wilson, PR. (2009). Comparison of concentrations of copper in plasma and serum from farmed red deer (cervus elaphus). New Zealand Veterinary Journal. 57(3), 166-169
[Journal article]Authored by: Laven, R.

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Laven, RA., & Livesey, CT. (2009). The impact of sample choice on the ratio of caeruloplasmin activity to copper concentration. Cattle Practice. 17(1), 90-95
[Journal article]Authored by: Laven, R.

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Worth, AJ., Laven, RA., & Erceg, VH. (2009). An assessment of the agreement between the New Zealand veterinary association hip dysplasia scoring system and the pennhip distraction index in german shepherd dogs. New Zealand Veterinary Journal. 57(6), 338-345
[Journal article]Authored by: Laven, R., Worth, A.

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Laven, RA., Huxley, JN., Whay, HR., & Stafford, KJ. (2009). Results of a survey of attitudes of dairy veterinarians in New Zealand regarding painful procedures and conditions in cattle. New Zealand Veterinary Journal. 57(4), 215-220
[Journal article]Authored by: Huxley, J., Laven, R.

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Laven, R. (2008). Is combined therapy with antibiotics and internal teat sealants justified?. Vetscript. 21(2), 26-27
[Journal article]Authored by: Laven, R.

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Laven, RA., Lawrence, KE., Weston, JF., Dowson, KR., & Stafford, KJ. (2008). Assessment of the duration of the pain response associated with lameness in dairy cows, and the influence of treatment. New Zealand Veterinary Journal. 56(5), 210-217
[Journal article]Authored by: Laven, R., Lawrence, K., Weston, J.

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Lawrence, KE., Thatcher, AR., & Laven, RA. (2008). Is that calf waving or drowning?. Dairy Cattle Vets Newsletter. 26(1), 0-0
[Journal article]Authored by: Laven, R., Lawrence, K.

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Laven, RA., & Holmes, CW. (2008). A review of the potential impact of increased use of housing on the health and welfare of dairy cattle in New Zealand. New Zealand Veterinary Journal. 56(4), 151-157
[Journal article]Authored by: Laven, R.

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Laven, RA., & Lawrence, KE. (2008). Efficacy of blanket treatment of cows and heifers with an internal teat sealant in reducing the risk of mastitis in dairy cattle calving on pasture. New Zealand Veterinary Journal. 56(4), 171-175
[Journal article]Authored by: Laven, R., Lawrence, K.

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Laven, RA., & Smith, SL. (2008). Copper deficiency in sheep: An assessment of the relationship between concentrations of copper in serum and plasma. New Zealand Veterinary Journal. 56(6), 334-338
[Journal article]Authored by: Laven, R.

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Morris, FJ., Kerr, SM., Laven, RA., & Collett, MG. (2008). Large hydatidiform mole: An unusual finding in a calving cow. New Zealand Veterinary Journal. 56(5), 243-246
[Journal article]Authored by: Laven, R.

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Chesterton, RN., Lawrence, KE., & Laven, RA. (2008). A descriptive analysis of the foot lesions identified during veterinary treatment for lameness on dairy farms in north Taranaki. New Zealand Veterinary Journal. 56(3), 130-138
[Journal article]Authored by: Laven, R., Lawrence, K.

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Laven, RA., Lawrence, KE., & Livesey, CT. (2008). An evaluation of the copper sequestrated during clotting in cattle: Is it just caeruloplasmin?. Veterinary Journal. 176(3), 397-399
[Journal article]Authored by: Laven, R., Lawrence, K.

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Bourne, N., Wathes, DC., Lawrence, KE., McGowan, M., & Laven, RA. (2008). The effect of parenteral supplementation of vitamin E with selenium on the health and productivity of dairy cattle in the UK. Veterinary Journal. 177(3), 381-387
[Journal article]Authored by: Laven, R., Lawrence, K.

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Laven, RA. (2007). The relationship between hoof conformation and digital dermatitis in dairy cattle. Cattle Practice. 15(1), 93-95
[Journal article]Authored by: Laven, R.

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Dawson, C., & Laven, RA. (2007). Failure of zinc supplementation to prevent severe facial eczema in cattle fed excess copper. New Zealand Veterinary Journal. 55(6), 353-355
[Journal article]Authored by: Laven, R.

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Laven, RA., Claire Wathes, D., Lawrence, KE., & Scaramuzzi, RJ. (2007). An analysis of the relationship between plasma urea and ammonia concentration in dairy cattle fed a consistent diet over a 100-day period. Journal of Dairy Research. 74(4), 412-415
[Journal article]Authored by: Laven, R., Lawrence, K.

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Laven, RA., & Livesey, CT. (2007). An evaluation of the effect of clotting on the relationship between copper and caeruloplasmin in bovine blood. Veterinary Journal. 174(2), 400-402
[Journal article]Authored by: Laven, R.

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Laven, RA., & Logue, DN. (2007). The effect of pre-calving environment on the development of digital dermatitis in first lactation heifers. Veterinary Journal. 174(2), 310-315
[Journal article]Authored by: Laven, R.

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Laven, RA., Lawrence, KE., & Livesey, CT. (2007). The assessment of blood copper status in cattle: A comparison of measurements of caeruloplasmin and elemental copper in serum and plasma. New Zealand Veterinary Journal. 55(4), 171-176
[Journal article]Authored by: Laven, R., Lawrence, K.

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Livesey, CT., & Laven, RA. (2007). Effects of housing and intake of methionine on the growth and wear of hoof horn and the conformation of the hooves of first-lactation Holstein heifers. Veterinary Record. 160(14), 470-476
[Journal article]Authored by: Laven, R.

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Laven, RA., Scaramuzzi, RJ., Wathes, DC., Peters, AR., & Parkinson, TJ. (2007). Recent research on the effects of excess dietary nitrogen on the fertility of dairy cows. Veterinary Record. 160(11), 359-362
[Journal article]Authored by: Laven, R.

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Bourne, N., Wathes, DC., McGowan, M., & Laven, R. (2007). A comparison of the effects of parenteral and oral administration of supplementary vitamin E on plasma vitamin E concentrations in dairy cows at different stages of lactation. Livestock Science. 106(1), 57-64
[Journal article]Authored by: Laven, R.

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Bourne, N., Laven, R., Wathes, DC., Martinez, T., & McGowan, M. (2007). A meta-analysis of the effects of Vitamin E supplementation on the incidence of retained foetal membranes in dairy cows. Theriogenology. 67(3), 494-501
[Journal article]Authored by: Laven, R.

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(2006). Analysis of clinical signs associated with bovine spongiform encephalopathy in casualty slaughter cattle. Veterinary Journal. 171(3), 438-444
[Journal article]Authored by: Laven, R.

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Laven, R., & Lawrence, K. (2006). Bovine iritis (silage eye): An underestimated problem in New Zealand?. Dairy Cattle Vets Newsletter. 23(4), 4-4
[Journal article]Authored by: Laven, R., Lawrence, K.

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Munday, JS., Laven, RA., Orbell, GMB., & Pandey, SK. (2006). Meningoencephalitis in an adult cow due to Mortierella wolfii. Journal of Veterinary Diagnostic Investigation. 18(6), 619-622
[Journal article]Authored by: Laven, R., Munday, J.

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Laven, RA., & Lawrence, KR. (2006). An evaluation of the seasonality of veterinary treatments for lameness in UK dairy cattle. Journal of Dairy Science. 89(10), 3858-3865
[Journal article]Authored by: Laven, R., Lawrence, K.

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Laven, RA., & Livesey, CT. (2006). Caeruloplasmin: Plasma copper ratios in cows [10]. Veterinary Record. 159(18), 608
[Journal article]Authored by: Laven, R.

Laven, RA., & Lawrence, KR. (2006). An outbreak of iritis and uveitis in dairy cattle at pasture associated with the supplementary feeding of baleage. New Zealand Veterinary Journal. 54(3), 151-152
[Journal article]Authored by: Laven, R., Lawrence, K.

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Laven, RA., Stewart, J., & Dyer, C. (2006). Factors affecting the monetary return from programmes for synchronising oestrus in dairy cows with gonadotrophin-releasing hormone and prostaglandin F<inf>2α</inf>. Veterinary Record. 158(11), 367-372
[Journal article]Authored by: Laven, R.

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Laven, RA. (2006). Nutrition and lameness in dairy cattle: A different perspective?. UK Vet - Livestock. 11(2), 1-3
[Journal article]Authored by: Laven, R.

Laven, RA., & Livesey, CT. (2006). An evaluation of the effect of clotting and processing of blood samples on the recovery of copper from bovine blood. Veterinary Journal. 171(2), 295-300
[Journal article]Authored by: Laven, R.

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Laven, RA. (2006). Diagnosis of mineral deficiencies in cattle: Do we have the correct perspective?. UK Vet - Livestock. 11(3), 1-4
[Journal article]Authored by: Laven, R.

Konold, T., Sivam, SK., Ryan, J., Gubbins, S., Laven, RA., & Howe, MJ. (2006). Analysis of clinical signs associated with bovine spongiform encephalopathy in casualty slaughter cattle. The Veterinary Journal. 171(3), 438-444
[Journal article]Authored by: Laven, R.

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Laven, RA., & Peters, AR. (2006). Assessment of the factors affecting the volume of fetally derived tissue in the bovine placentome. Veterinary Record. 159(3), 82-83
[Journal article]Authored by: Laven, R.

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Laven, RA. (2006). Efficacy of systemic cefquinome and erythromycin against digital dermatitis in cattle. Veterinary Record. 159(1), 19-21
[Journal article]Authored by: Laven, R.

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Laven, RA., Livesey, CT., Harmon, RJ., & Scaletti, R. (2006). Factors affecting the relationship between caeruloplasmin activity and plasma copper concentration in cattle. Veterinary Record. 159(8), 250-251
[Journal article]Authored by: Laven, R.

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Laven, RA., & Logue, DN. (2006). Treatment strategies for digital dermatitis for the UK. Veterinary Journal. 171(1), 79-88
[Journal article]Authored by: Laven, R.

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112

Robin, GW., Laven, R., Howe, M., & Swarbick, O. (2005). Uterine torsion in cattle in the UK (multiple letters) [6]. Veterinary Record. 157(4), 124
[Journal article]Authored by: Laven, R.

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Laven, R., & Howe, M. (2005). Uterine torsion in cattle in the UK [3]. Veterinary Record. 157(3), 96
[Journal article]Authored by: Laven, R.

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Laven, RA. (2005). Mastitis analysis. UK Vet. 10(2), 23-24
[Journal article]Authored by: Laven, R.

Laven, RA. (2005). Staph management. Organic Farming. (85), 26-27
[Journal article]Authored by: Laven, R.

Laven, RA., & Howe, MJ. (2005). Uterine torsion in cattle in the UK. The Veterinary Record. 157(4), 124
[Journal article]Authored by: Laven, R.

Konold, T., Sivam, SK., Ryan, J., Gubbins, S., Laven, RA., & Howe, MJ. (2005). Analysis of clinical signs associated with bovine spongiform encephalopathy in casualty slaughter cattle. The Veterinary Journal.
[Journal article]Authored by: Laven, R.

Logue, DN., Offer, JE., Laven, RA., & Ellis, WA. (2005). Digital dermatitis - The aetiological soup. Veterinary Journal. 170(1), 12-13
[Journal article]Authored by: Laven, R.

Laven, RA., & Livesey, CT. (2005). The diagnosis of copper related disease, Part 2: Copper responsive disorders. Cattle Practice. 13(1), 55-60
[Journal article]Authored by: Laven, R.

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Laven, RA., Fountain, D., & Penny, C. (2005). Investigation of bovine viral diarrhoea virus-associated abortion in cattle vaccinated with inactivated vaccine. Veterinary Record. 157(6), 173-175
[Journal article]Authored by: Laven, R.

Laven, R. (2004). Cattle practice. CATTLE PRACTICE. 12, 242-243
[Journal article]Authored by: Laven, R.

(2004). Acetonaemia and displaced abomasum [2]. Veterinary Record. 155(2), 63-64
[Journal article]Authored by: Laven, R.

(2004). Increased reporting of displaced abomasum [3]. Veterinary Record. 154(22), 704
[Journal article]Authored by: Laven, R.

Dawuda, PM., Scaramuzzi, RJ., Drew, SB., Biggadike, HJ., Laven, RA., Allison, R., . . . Wathes, DC. (2004). The effect of a diet containing excess quickly degradable nitrogen (QDN) on reproductive and metabolic hormonal profiles of lactating dairy cows. Animal Reproduction Science. 81(3-4), 195-208
[Journal article]Authored by: Laven, R.

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Laven, RA., Livesey, CT., & May, SA. (2004). Relationship between acute phase proteins and hoof horn haemorrhages in postpatrum first-lactation heifers. Veterinary Record. 154(13), 389-395
[Journal article]Authored by: Laven, R.

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Laven, RA., & Livesey, CT. (2004). An evaluation of the effect of clotting and processing of blood samples on the recovery of copper from bovine blood. The Veterinary Journal.
[Journal article]Authored by: Laven, R.

Laven, RA., & Livesey, CT. (2004). The diagnosis of copper related disease: Do we have the necessary tools? Part 1: Prevalence of disease and the diagnosis of copper toxicity. CATTLE PRACTICE. 12, 265-269
[Journal article]Authored by: Laven, R.

Laven, RA., Livesey, CT., Offer, NW., & Fountain, D. (2004). Apparent subclinical hepatopathy due to excess copper intake in lactating Holstein cattle. Veterinary Record. 155(4), 120-121
[Journal article]Authored by: Laven, R.

Duncan, SH., McWilliam Leitch, EC., Stanley, KN., Richardson, AJ., Laven, RA., Flint, HJ., . . . Stewart, CS. (2004). Effects of esculin and esculetin on the survival of Escherichia coli 0157 in human faecal slurries, continuous-flow simulations of the rumen and colon and in calves. British Journal of Nutrition. 91(5), 749-755
[Journal article]Authored by: Laven, R.

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Laven, RA., Dawuda, PM., Scaramuzzi, RJ., Wathes, DC., Biggadike, HJ., & Peters, AR. (2004). The effect of feeding diets high in quickly degradable nitrogen on follicular development and embryo growth in lactating Holstein dairy cows. Animal Reproduction Science. 84(1-2), 41-52
[Journal article]Authored by: Laven, R.

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Laven, RA., & Livesey, CT. (2004). The effect of housing and methionine intake on hoof horn hemorrhages in primiparous lactating Holstein cows. Journal of Dairy Science. 87(4), 1015-1023
[Journal article]Authored by: Laven, R.

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Laven, RA., & Logue, DN. (2004). Treatment strategies for digital dermatitis for the UK. The Veterinary Journal.
[Journal article]Authored by: Laven, R.

(2003). Farm animal disease surveillance [2]. Veterinary Record. 152(9), 270
[Journal article]Authored by: Laven, R.

Biggadike, HJ., Ohnstad, I., & Laven, RA. (2003). A comparison of the effect of teat dipping and teat spraying on teat condition, somatic cell count and the incidence of clinical mastitis.. CATTLE PRACTICE. 11, 181-184
[Journal article]Authored by: Laven, R.

Bourne, N., Wathes, DC., McGowan, M., & Laven, RA. (2003). Physiological responses in dairy cattle supplemented with vitamin E above NRC requirements. CATTLE PRACTICE. 11, 367-372
[Journal article]Authored by: Laven, R.

Livesey, CT., Metcalf, JA., & Laven, RA. (2003). Effect of concentrate composition and cubicle bedding on the development of hoof haemorrhages in Holstein heifers after calving. Veterinary Record. 152(24), 735-739
[Journal article]Authored by: Laven, R.

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Laven, RA. (2003). Understanding the dynamics of bovine endometritis: Comparison of the response to injectable luprostiol and topical cephapirin. CATTLE PRACTICE. 11, 263-270
[Journal article]Authored by: Laven, R.

Laven, RA., Ashmore, A., & Stewart, CS. (2003). Escherichia coli in the rumen and colon of slaughter cattle, with particular reference to E. coli O157. Veterinary Journal. 165(1), 78-83
[Journal article]Authored by: Laven, R.

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Laven, RA., & Hunt, H. (2002). Evaluation of copper sulphate, formalin and peracetic acid in footbaths for the treatment of digital dermatitis in cattle. Veterinary Record. 151(5), 144-146
[Journal article]Authored by: Laven, R.

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Livesey, CT., Marsh, C., Metcalf, JA., & Laven, RA. (2002). Hock injuries in cattle kept in straw yards or cubicles with rubber mats or mattresses. Veterinary Record. 150(22), 677-679
[Journal article]Authored by: Laven, R.

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Biggadike, HJ., Ohnstad, I., Laven, RA., & Hillerton, JE. (2002). Evaluation of measurements of the conductivity of quarter milk samples for the early diagnosis of mastitis. Veterinary Record. 150(21), 655-658
[Journal article]Authored by: Laven, R.

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Cottrill, B., Biggadike, HJ., Collins, C., & Laven, RA. (2002). Relationship between milk urea concentration and the fertility of dairy cows. Veterinary Record. 151(14), 413-416
[Journal article]Authored by: Laven, R.

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Laven, RA., Biggadike, HJ., & Allison, RD. (2002). The effect of pasture nitrate concentration and concentrate intake after turnout on embryo growth and viability in the lactating dairy cow. Reproduction in Domestic Animals. 37(2), 111-115
[Journal article]Authored by: Laven, R.

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(2001). Control of digital dermatitis in cattle. In Practice. 23(6), 336-341
[Journal article]Authored by: Laven, R.

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Hartog, BJ., Tap, SHM., Pouw, HJ., Poole, DA., & Laven, RA. (2001). Systemic bioavailability of erythromycin in cattle when applied by footbath. Veterinary Record. 148(25), 782-783
[Journal article]Authored by: Laven, R.

Laven, RA., & Hunt, H. (2001). Comparison of valnemulin and lincomycin in the treatment of digital dermatitis by individually applied topical spray. Veterinary Record. 149(10), 302-303
[Journal article]Authored by: Laven, R.

Laven, RA., & Peters, AR. (2001). Gross morphometry of the bovine placentome during gestation. Reproduction in Domestic Animals. 36(6), 289-296
[Journal article]Authored by: Laven, R.

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Laven, RA. (2001). Control of digital dermatitis in cattle. In Practice. 23(6), 336-341
[Journal article]Authored by: Laven, R.

Allison, RD., & Laven, RA. (2001). Vitamin E for milk production in dairy cows: A review. Nutrition Abstracts and Reviews, Series B: Livestock Feeds and Feeding. 71(12), 43R-52R
[Journal article]Authored by: Laven, R.

Laven, RA., & Proven, MJ. (2000). Erratum: Use of an antibiotic footbath in the treatment of bovine digital dermatitis (Veterinary Record (October 28) (503-506)). Veterinary Record. 147(23), 660
[Journal article]Authored by: Laven, R.

Laven, RA., & Proven, MJ. (2000). Use of an antibiotic footbath in the treatment of bovine digital dermatitis (vol 147, pg 503, 2000). VETERINARY RECORD. 147(23), 660-660
[Journal article]Authored by: Laven, R.

Laven, RA., Biggadike, HJ., Proven, MJ., Halfacre, S., & Tickle, LR. (2000). Changes in vaginal microbiology associated with the use of progesterone-releasing intravaginal devices. Veterinary Record. 146(26), 760-762
[Journal article]Authored by: Laven, R.

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Laven, RA., & Proven, MJ. (2000). Use of an antibiotic footbath in the treatment of bovine digital dermatitis. Veterinary Record. 147(18), 503-506
[Journal article]Authored by: Laven, R.

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Allison, RD., & Laven, RA. (2000). Effect of vitamin E supplementation on the health and fertility of dairy cows: A review. Veterinary Record. 147(25), 703-708
[Journal article]Authored by: Laven, R.

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105

Laven, RA., & Drew, SB. (1999). Dietary protein and the reproductive performance of cows. Veterinary Record. 145(24), 687-695
[Journal article]Authored by: Laven, R.

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Laven, RA. (1998). Calf welfare legislation.. The Veterinary record. 143(6), 175
[Journal article]Authored by: Laven, R.

Laven, RA., & Andrews, AH. (1998). Control of fatty liver syndrome in a Jersey herd by a change of diet and the use of recombinant bovine somatotrophin. Veterinary Record. 142(2), 36-39
[Journal article]Authored by: Laven, R.

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Laven, R. (1997). 'Vets in practice'. VETERINARY RECORD. 141(16), 428-428
[Journal article]Authored by: Laven, R.

Laven, RA., Fishwick, JC., Pritchard, GC., & Jackson, PG. (1997). Generalised caseous lymphadenitis.. The Veterinary record. 141(18), 479
[Journal article]Authored by: Laven, R.

Laven, RA. (1997). 'Signalment'. VETERINARY RECORD. 140(21), 564-564
[Journal article]Authored by: Laven, R.

Laven, RA., & Cook, N. (1997). Correction of tendon contracture in calves [3]. Veterinary Record. 140(22), 587
[Journal article]Authored by: Laven, R.

Laven, RA., & Peters, AR. (1996). Bovine retained placenta: Aetiology, pathogenesis and economic loss. Veterinary Record. 139(19), 465-471
[Journal article]Authored by: Laven, R.

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182

151

Peters, AR., & Laven, RA. (1996). Treatment of bovine retained placenta and its effects. Veterinary Record. 139(22), 535-539
[Journal article]Authored by: Laven, R.

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Maisey, I., Andrews, AH., & Laven, RA. (1993). Efficacy of recombinant bovine somatotrophin in the treatment of fat cow syndrome. Veterinary Record. 133(12), 293-296
[Journal article]Authored by: Laven, R.

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LAVEN, R., & VANDERBURGT, G. (1992). RESPONSES OF NEWLY HATCHED CHICKS TO INANITION. VETERINARY RECORD. 130(6), 126-127
[Journal article]Authored by: Laven, R.

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(1992). Clinical observations on four cases of scrapie in goats.. The Veterinary record. 130(5), 101
[Journal article]Authored by: Laven, R.

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(1991). Long-acting antibiotic formulations in the treatment of calf pneumonia: a comparative study of tilmicosin and oxytetracycline.. The Veterinary record. 129(6), 109-111
[Journal article]Authored by: Laven, R.

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(1991). Treatment and control of an outbreak of fat cow syndrome in a large dairy herd.. The Veterinary record. 129(10), 216-219
[Journal article]Authored by: Laven, R.

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LAVEN, R. (1990). FUTURE OF CATTLE VETERINARY PRACTICE. VETERINARY RECORD. 127(23), 578-578
[Journal article]Authored by: Laven, R.

Laven, RA. (1989). Food hygiene in the 1990s.. The Veterinary record. 124(24), 642-643
[Journal article]Authored by: Laven, R.

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Book

Laven, RA., & Laven, LJ.PLH. McSweeney, & JP. McNamara (Eds.)September(pp. 310 - 316). SeptemberDecemberLaven, RA., & Laven, LJ.(pp. 310 - 316). SeptemberLaven, RA., & Laven, LJ.PLH. McSweeney, & JP. McNamara (Eds.)SeptemberSeptemberDecemberSeptember
[Reference Book]Authored by: Laven, R., Laven, L.

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Parkinson, TJ., Weston, JF., Laven, RA., & Vermunt, JJ. (2019). Reproduction and disorders of the reproductive system. In TJ. Parkinson, JJ. Vermunt, J. Malmo, & R. Laven (Eds.) Diseases of Cattle in Australasia. (pp. 579 - 686). Auckland, New Zealand: Massey University Press
[Chapter]Authored by: Laven, R., Weston, J.Edited by: Laven, R.

Jolly, RD., Windsor, PA., & Dittmer, KE. (2019). Genetic Diseases in Cattle. In TJ. Parkinson, JJ. Vermunt, J. Malmo, & R. Laven (Eds.) Diseases of Cattle in Australiasia. (pp. 1032 - 1050). Auckland, New Zealand: Massey University Press
[Chapter]Authored by: Dittmer, K.Edited by: Laven, R.

Hudson, C., Cook, JG., & Laven, R. (2018). Veterinary control of herd fertility in intensively managed dairy herds. In Veterinary Reproduction & Obstetrics. (pp. 467 - 484).
[Chapter]Authored by: Laven, R.

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Laven, R. (2018). Pharmacological agents in the control of reproduction. In Veterinary Reproduction & Obstetrics. (pp. 157 - 166).
[Chapter]Authored by: Laven, R.

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Laven, R. (2018). Veterinary control of herd fertility in pastoral dairy herds. In Veterinary Reproduction & Obstetrics. (pp. 485 - 492).
[Chapter]Authored by: Laven, R.

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Laven, RA., Vermunt, JJ., & Malmo, J. (2019). Lameness: causes and management. In TJ. Parkinson, JJ. Vermunt, J. Malmo, & R. Laven (Eds.) Diseases of Cattle in Australasia: a comprehensive textbook. (pp. 918 - 987). Auckland, New Zealand: Massey University Press
[Chapter]Authored by: Laven, R.Edited by: Laven, R.

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Parkinson, TJ., Vermunt, JJ., Malmo, J., & Laven, R. (Eds.) (2019). Diseases of Cattle in Australasia: a comprehensive textbook. Auckland, New Zealand: Massey University Press
[Edited Book]Edited by: Laven, R.

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Laven, R., Malmo, J., Vermunt, J., & Parkinson, T. (2010). Neurological disease. In TJ. Parkinson, JJ. Vermunt, & J. Malmo (Eds.) Diseases of Cattle in Australasia. (pp. 298 - 339). Wellington, New Zealand: The New Zealand Veterinary Association Foundation for Continuing Education (VetLearn)
[Chapter]Authored by: Laven, R.

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Le Fevre, AM., Hirst, WM., French, NP., Offer, JE., Brocklehurst, S., Gibbs, A., . . . Logue, DN.(2002). Using a systematic review of lameness in cattle to develop an intervention study.
[Authored Book]Authored by: French, N., Laven, R.

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Thesis

Whitfield, LK., & Laven, RA. (2018). A comparison of the effect of short-acting and long-acting cloxacillin-based dry-cow therapy on somatic cell counts after calving in cows also given internal teat sealants. (Master's Thesis)
[Masters Thesis]Authored by: Laven, R.Edited by: Laven, R.

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Laven, LJ. (2015). Anatomical studies of claw conformation in New Zealand dairy cattle. (Doctoral Thesis, Massey University, New Zealand) Laven, LJ. (2015). Anatomical studies of claw conformation in New Zealand dairy cattle. (Doctoral Thesis)
[Doctoral Thesis]Authored by: Laven, L.Edited by: Laven, R., Lopez-Villalobos, N.

Report

Laven, RA.(2007). Milk fever in cows.
[Technical Report]Authored by: Laven, R.

Laven, RA.(2007). NADIS cattle report and forecast - April 2007.
[Technical Report]Authored by: Laven, R.

Laven, RA.(2007). NADIS cattle report and forecast - November 2007.
[Technical Report]Authored by: Laven, R.

Laven, RA.(2007). NADIS cattle report and forecast - October 2007.
[Technical Report]Authored by: Laven, R.

Laven, RA.(2007). NADIS cattle report and forecast - September 2007.
[Technical Report]Authored by: Laven, R.

Laven, RA.(2007). NADIS cattle report and forecast - November 2007.
[Technical Report]Authored by: Laven, R.

Laven, RA.(2007). NADIS cattle report and forecast - October 2007.
[Technical Report]Authored by: Laven, R.

Laven, RA.(2007). NADIS cattle report and forecast - September 2007.
[Technical Report]Authored by: Laven, R.

Laven, RA.(2007). Summer mastitis in cattle.
[Technical Report]Authored by: Laven, R.

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Conference

Arden, K., Laven, R., & Mueller, K. (2022, September). There’s more work to do- NZ Dairy Farmers’ understanding of One Health, Antimicrobial Resistance and the Restricted Veterinary Medicines process.. Presented at World Buiatrics Congress. Madrid, Spain.
[Conference Oral Presentation]Authored by: Laven, R., Mueller, K.

Yang, A., & Laven, R. (2019). Reporting inter-observer agreement - not just a calculated kappa value, make use of the confidence interval. In Lameness in Ruminants 2019 Proceedings(pp. 293 - 293). , 20th International Symposium and 12th International Conference on Lameness in Ruminants 2019
[Conference Abstract]Authored by: Laven, R.

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Yang, A., Johnson, W., Mueller, K., Gates, M., & Laven, R. (2019). Confirming freedom from bovine digital dermatitis of dairy farms in the West Coast region of New Zealand. In Lameness in Ruminants 2019 Proceedings(pp. 292 - 292). , 20th International Symposium and 12th International Conference on Lameness in Ruminants 2019
[Conference Abstract]Authored by: Gates, M., Laven, R., Mueller, K.

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Yang, A., & Laven, R. (2019). Bayesian superpopulation approach to evaluate the ability of detecting bovine digital dermatitis in the milking parlour without washing cows' feet. In Lameness in Ruminants 2019 Proceedings(pp. 266 - 266). , 20th International Symposium and 12th International Conference on Lameness in Ruminants 2019
[Conference Abstract]Authored by: Laven, R.

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Werema, CW., Laven, L., Mueller, K., & Laven, R. (2019). In-shed screening technique for detection for lameness in a pasture-based dairy herd. In Lameness in Ruminants 2019 Proceedings(pp. 258 - 259). , 20th International Symposium and 12th International Conference on Lameness in Ruminants 2019
[Conference Abstract]Authored by: Laven, R., Laven, L., Mueller, K.

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Yang, A., Gates, M., Mueller, K., & Laven, R. (2019). Modelling infection dynamic of bovine digital dermatitis in pasture-based system in New Zealand. In Lameness in Ruminants 2019 Proceedings(pp. 208 - 208). , 20th International Symposium and 12th International Conference on Lameness in Ruminants 2019
[Conference Abstract]Authored by: Gates, M., Laven, R., Mueller, K.

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Yang, A., Wesley, O., Mueller, K., Gates, M., & Laven, R. (2019). Estimating the herd and cow level prevalence of bovine digital dermatitis on New Zealand dairy farms: A Bayesian superpopulation approach. In Lameness in Ruminants 2019 Proceedings(pp. 207 - 207). , 20th International Symposium and 12th International Conference on Lameness in Ruminants 2019
[Conference Abstract]Authored by: Gates, M., Laven, R., Mueller, K.

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Laven, R. (2019, March). Foot lameness research in dairy cattle: A scientometric approach. Presented at 20th International Symposium and 12th International Conference on Lameness in Ruminants 2019. Tokyo, Japan.
[Conference Oral Presentation]Authored by: Laven, R.

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Laven, R. (2019). Foot lameness research in dairy cattle: A scientometric approach. In Lameness in Ruminants 2019 Proceedings(pp. 178 - 180). , 20th International Symposium and 12 International Conference on Lameness in Ruminants 2019
[Conference Abstract]Authored by: Laven, R.

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Ekanayake, S., Laven, L., Mueller, K., Huxley, J., & Laven, R. (2019). Impact of lameness on reproduction and milk production in dairy cattle. A review of abstracts from international ruminant lameness conferences (2002 - 2017). In Lameness in Ruminants 2019 Proceedings(pp. 150 - 152). , 20th International Symposium and 12th International Conference on Lameness in Ruminants 2019
[Conference Abstract]Authored by: Huxley, J., Laven, R., Laven, L., Mueller, K.

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Werema, CW., Mueller, K., Laven, L., & Laven, R. (2019). The potential of infrared thermography for the detection of dairy cattle lameness. In Lameness in Ruminants 2019 Proceedings(pp. 127 - 128). , 20th International Symposium and 12th International Conference on Lameness in Ruminants 2019
[Conference Abstract]Authored by: Laven, R., Laven, L., Mueller, K.

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Mueller, K., Laven, R., & Laven, L. (2019). Wear of orthopaedic hoof blocks under New Zealand pasture conditions. In Lameness in Ruminants 2019 Proceedings(pp. 79 - 81). , 20th International Symposium and 12th International Conference on Lameness in Ruminants 2019
[Conference Abstract]Authored by: Laven, R., Laven, L., Mueller, K.

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Mueller, K., Laven, R., & Laven, L. (2018, August). Comparison of orthopaedic hoof blocks for the treatment of lame cattle under New Zealand pasture conditions in regard to wear and block duration.. Presented at World Buiatrics Congress. Sapporo, Japan.
[Conference Oral Presentation]Authored by: Laven, R., Laven, L., Mueller, K.

Mueller, K., Laven, LJ., & Laven, R. (2018, August). An unusual presentation of toe ulcers in a pasture-based dairy herd. Presented at World Buiatrics Conference. Sapporo, Japan.
[Conference Oral Presentation]Authored by: Laven, R., Laven, L., Mueller, K.

Mueller, K., Laven, R., Toes, HB., & Hedley, M. (2017). An approach to filtering and recycling copper sulfate foot bath solutions to decrease cost and environmental impact. In Proceedings of the 19th International Symposium and 11th Conference Lameness in Ruminants(pp. 144 - 145). , 19th International Symposium and 11th Conference Lameness in Ruminants
[Conference Abstract]Authored by: Laven, R., Mueller, K.

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Mueller, K., Laven, L., & Laven, R. (2017). Effect of housing on sole thickness and toe angle in a pasture‐based dairy system. In Proceedings of the 19th International Symposium and 11th Conference Lamenenss in Ruminants(pp. 90 - 91). , 19th International Symposium and 11th Conference Lamenenss in Ruminants
[Conference Abstract]Authored by: Laven, R., Laven, L., Mueller, K.

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Mueller, KR., & Laven, R. (2017). Effect of housing on hock lesion prevalence and severity in a pasture‐based dairy system. Poster session presented at the meeting of 19th International Symposium and 11th Conference Lameness in Ruminants. Munich, Germany
[Conference Poster]Authored by: Laven, R., Mueller, K.

Yang, D., Laven, R., Vink, WD., Mueller, KR., & Chesterton, RN. (2017, September). Prevalence and incidence of bovine digital dermatitis in Taranaki, New Zealand, 2015‐2016: Descriptive statistics of a longitudinal observation. Presented at 19th International Symposium and 11th Conference Lameness in Ruminants. Munich, Germany.
[Conference Oral Presentation]Authored by: Laven, R., Mueller, K.

Yang, D., Laven, R., Vink, WD., Mueller, KR., & Chesterton, RN. (2017). Bayesian poisson‐gamma approach to investigate effect of farm management on bovine digital dermatitis in Taranaki, New Zealand. Poster session presented at the meeting of 19th International Symposium and 11th Conference Lameness in Ruminants. Munich Germany
[Conference Poster]Authored by: Laven, R., Mueller, K.

Yang, D., Laven, R., Vink, WD., Mueller, KR., & Chesterton, RN. (2017). Modelling the temporal pattern of bovine digital dermatitis in Taranaki, New Zealand using a semi‐parametric approach. Poster session presented at the meeting of 19th International Symposium and 11th Conference Lameness in Ruminants. Munich, Germany
[Conference Poster]Authored by: Laven, R., Mueller, K.

Mueller, KR., Laven, R., Toes, HB., & Hedley, M. (2017, September). An approach to filtering and recycling copper sulfate foot bath solutions to decrease cost and environmental impact. Presented at 19th International Symposium and 11th Conference Lameness in Ruminants. Munich, Germany.
[Conference Oral Presentation]Authored by: Laven, R., Mueller, K.

Yang, D., Laven, R., Mueller, KR., Vink, WD., & Chesterton, RN. (2017). Monitoring farm and cow level prevalence of bovine digital dermatitis in New Zealand. Proceedings of the 3rd International Conference on Animal Health Surveillance. (pp. 333 - 335). : 3rd International Conference on Animal Health Surveillance
[Conference Paper in Published Proceedings]Authored by: Laven, R., Mueller, K.

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Van Der Spek, P., Sneddon, NW., Lopez-Villalobos, N., Donaghy, DJ., Laven, RA., Mueller, KR., . . . Doohan, H. (2017). Comparison of health and reproductive treatments over three seasons for once-a-day and twice-a-day milking herds. Proceedings of the New Zealand Society of Animal Production 2017. Vol. 77 (pp. 211 - 215). : Annual Conference of the New Zealand Society for Animal Production
[Conference Paper in Published Proceedings]Authored by: Donaghy, D., Laven, R., Lopez-Villalobos, N., Mueller, K., Sneddon, N.

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Van Der Spek, P., Sneddon, NW., Lopez-Villalobos, N., Donaghy, DJ., Laven, RA., Mueller, KR., . . . Doohan, H. (2017). Comparison of health and reproductive treatments over three seasons for once-a-day and twice-a-day milking herds.. , Annual Conference of the New Zealand Society for Animal Production 2017
[Conference Abstract]Authored by: Donaghy, D., Laven, R., Lopez-Villalobos, N., Mueller, K., Sneddon, N.

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Laven, R., Mueller, KR., & Laven, LJ. (2017). Hoof growth and wear in pre-weaned calves kept at pasture. In 19th International Symposium and 11th Conference Lameness in Ruminants(pp. 289 - 290). , Lameness in Ruminants 2017
[Conference Abstract]Authored by: Laven, R., Laven, L., Mueller, K.

Laven, LJ., Yang, D., Mueller, K., & Laven, R. (2017). The accuracy of ultrasonography and radiography for identifying the position of the distal phalanx within the hoof. Poster session presented at the meeting of Lameness in Ruminants 2017. Munich, Germany
[Conference Poster]Authored by: Laven, R., Laven, L., Mueller, K.

Mueller, K., Laven, LJ., & Laven, R. (2017). Effect of housing on sole thickness and toe angle in a pasture-based dairy system. Poster session presented at the meeting of 11th Conference Lameness in Ruminants 2017
[Conference Poster]Authored by: Laven, R., Laven, L., Mueller, K.

Back, PJ., Hickson, RE., Sneddon, NW., Coleman, LW., & Laven, RA. (2017). Brief communication: Managing liveweight gain of holstein-friesian, jersy and holstein-friesian-jersey crossbred heifer calves. Proceedings of the New Zealand Society of Animal Production (Inc). Vol. 77 (pp. 69 - 71). : New Zealand Society of Animal Production
[Conference Paper in Published Proceedings]Authored by: Back, P., Laven, R., Sneddon, N.

Yang, D., Laven, R., Mueller, KR., Vink, WD., & Chesterton, RN. (2017). Monitoring farm and cow level prevalence of Bovine Digital Dermatitis in New Zealand.. Poster session presented at the meeting of International conference on animal health surveillance
[Conference Poster]Authored by: Laven, R., Mueller, K.

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Laven, RA. (2016, June). Recumbency in cattle at slaughter. Presented at NZVA Conference. Hamilton, New Zealand.
[Conference Oral Presentation]Authored by: Laven, R.

Mueller, KR., Laven, R., & Nixey, J. (2016). Evaluation of the diagnostic value of colostrum antibody ELISA for early detection of Mycobacterium avium subsp. paratuberculosis in dairy cattle. Proceedings of the World Buiatrics Congress. (pp. 525 - 525). : The 29th Congress of the World Association for Buiatrics
[Conference Paper in Published Proceedings]Authored by: Laven, R., Mueller, K.

Back, PJ., Hickson, RE., Lilly, VM., Coleman, LW., Sneddon, NW., & Laven, RA. (2016). Grazing behaviour and species selection of heifer calves fed different forages. Proceedings of the New Zealand Society of Animal Production. Vol. 76 (pp. 126 - 131). : New Zealand Society of Animal Production
[Conference Paper in Published Proceedings]Authored by: Back, P., Laven, R., Sneddon, N.

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Back, PJ., Hickson, RE., van Bouwel, K., de Cock, H., Verdurmen, J., Sneddon, NW., . . . Laven, RA. (2016). Do different grazing strategies affect pre-weaning calf growth rates?. Proceedings of the New Zealand Society of Animal Production. Vol. 76 (pp. 119 - 121). : New Zealand Society for Animal Production
[Conference Paper in Published Proceedings]Authored by: Back, P., Laven, R., Sneddon, N.

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Back, PJ., Hickson, RE., van Bouwel, K., de Cock, H., Verdurman, J., Sneddon, NW., . . . Laven, RA. (2016). Brief communication: Do different grazing strategies affect pre-weaning calf growth rates?. Proceedings of the New Zealand Society of Animal Production. Vol. 76 (pp. 119 - 121). : Animal Production 2016
[Conference Paper in Published Proceedings]Authored by: Back, P., Laven, R., Sneddon, N.

Read article at Massey Research Online:

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Back, PJ., Hickson, RE., Lilly, VM., Coleman, LW., Sneddon, NW., & Laven, RA. (2016). Grazing behaviour and species selection of heifer calves fed different forages. Proceedings of the New Zealand Society of Animal Production. Vol. 76 (pp. 126 - 131). : Animal Production 2016
[Conference Paper in Published Proceedings]Authored by: Back, P., Laven, R., Sneddon, N.

Read article at Massey Research Online:

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Cardoso, DS., Hickson, RE., Laven, RA., Coleman, LW., & Back, PJ. (2015). Brief communication: Do high-milk diets affect the growth rate of heifers prior to weaning?. In S. Peterson (Ed.) Proceedings of the New Zealand Society of Animal Production. Vol. 75 (pp. 263 - 265). : 75th New Zealand Society of Animal Production
[Conference Paper in Published Proceedings]Authored by: Back, P., Laven, R.

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Steele, NM., Laven, RA., Williamson, JH., & Hillerton, JE. (2015). Using polymerase chain rection to identify Streptococcus uberis in bovine milk: how does it compare with bacterial culture?. In S. Peterson (Ed.) Proceeding of the New Zealand Society of Animal Production. Vol. 75 (pp. 20 - 23). : 75th New Zealand society of animal production
[Conference Paper in Published Proceedings]Authored by: Laven, R.

Coleman, LW., Hickson, RE., Amoore, J., Laven, RA., & Back, PJ. (2015). Colostral immunoglobulin G as a predictor for serum immuoglobulin G concentration in dairy calves. In S. Peterson (Ed.) Proceedings of the New Zealand Society of Animal Production 2015. Vol. 75 (pp. 3 - 8). : 75th New Zealand Society of Animal Production
[Conference Paper in Published Proceedings]Authored by: Back, P., Laven, R.

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Bates, A., & Laven, RA. (2015). Should calves get analgesia when they are disbudded?. In K. Gloyn (Ed.) Proceedings of the Society of Sheep and Beef Veterinarians of the NZVA and Cervetec Conference. (pp. 182 - 192). : Society of Sheep and Beef Veterinarians of the NZVA and Cervetec
[Conference Paper in Published Proceedings]Authored by: Laven, R.

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McIntosh, P., Kenyon, A., Chambers, G., Laven, R., & Lawrence, KE. (2014). Case study: Teatseal alone and in combination with antibiotic dry cow therapy in low somatic cell count cows. Poster session presented at the meeting of World Buiatrics Congress, Cairns 2014
[Conference Poster]Authored by: Laven, R., Lawrence, K.

Laven, LJ., Laven, R., Carr, R., Stevenson, M., Cohen, E., & Tulley, W. (2014). Laminitis and pedal osteitis complex in dairy replacements. Poster session presented at the meeting of XXVIII World Buiatrics Congress. Cairns, Australia
[Conference Poster]Authored by: Laven, R., Laven, L.

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Dwyer, C., Mueller, KR., & Laven, R. (2014). Investigation of bovine digital dermatitis in a dairy herd in New Zealand: From index case to endemic disease. Poster session presented at the meeting of XXVIII World Buiatrics Congress. Cairns, Australia
[Conference Poster]Authored by: Laven, R., Mueller, K.

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Laven, RA., vink, D., & Chesterton, N. (2014). Bovine digital dermatitis in New Zealand: An update. Proceedings of the society of dairy cattle veterinarians of the NZVA. (pp. 201 - 202). : The Society of Dairy Cattle Veterinarians of NZVA
[Conference Paper in Published Proceedings]Authored by: Laven, R.

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Bosma, F., & Laven, RA. (2013). The impact of reduced mobility score in the pre-breeding period on the fertility of dairy cattle in a seasonally breeding pasture-based system. Poster session presented at the meeting of 17th International Symposium and 9th International Conference on Lameness in Ruminants. Bristol, United Kingdom
[Conference Poster]Authored by: Laven, R.

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Laven, RA., Laven, LJ., & Bryan, M. (2013). Sole thickness in heifers in southland. Poster session presented at the meeting of 17th International Symposium and 9th International Conference on Lameness in Ruminants. Bristol, United Kingdom
[Conference Poster]Authored by: Laven, R., Laven, L.

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Laven, LJ., Laven, RA., Lopez-Villalobos, N., Parkinson, TJ., & Margerison, JK. (2013). Monitoring claw conformation in two cohorts of first lactation New Zealand heifers. Poster session presented at the meeting of 17th International Symposium and 9th International Conference on Lameness in Ruminants. Bristol, United Kingdom
[Conference Poster]Authored by: Laven, R., Laven, L., Lopez-Villalobos, N.

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Laven, RA., & Laven, LJ. (2013). The trigonometry of the bovine claw: indentifying how the environment affects claw conformation. In B. Whay, & J. Hockenhull (Eds.) (pp. 243 - 244). : 17th International Symposium and 9th International Conference on Lameness in Ruminants
[Conference Paper in Published Proceedings]Authored by: Laven, R., Laven, L.

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Laven, LJ., Laven, RA., Perrott, M., Lopez-Villalobos, N., & Parkinson, TJ. (2013). Morphometric analysis of blood vessel architecture in histological sections of the bovine claw - method and preliminary findings. : 17th International Symposium and 9th International Conference on Lameness in Ruminants
[Conference Paper in Published Proceedings]Authored by: Laven, R., Laven, L., Lopez-Villalobos, N., Perrott, M.

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Laven, L., Laven, R., Perrott, M., Lopez-Villalobos, N., & Parkinson, T. (2013). Morphometric analysis of blood vessel architecture in histological sections of the bovine claw: Method and preliminary findings. In Proceedings of the 17th International Symposium and 9th International Conference on Lameness in Ruminants: Lameness in Ruminants(pp. 239 - 240). , 17th International Symposium and 9th International Conference on Lameness in Ruminants: Lameness in Ruminants: Past, Present and Future United Kingdom: Bristol Veterinary School, University of Bristol
[Conference Abstract]Authored by: Laven, R., Laven, L., Lopez-Villalobos, N., Perrott, M.

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Laven, R., & Laven, L. (2013). The trigonometry of the bovine claw: Identifying how the environment affects claw conformation. In Proceedings of the 17th International Symposium and 9th International Conference on Lameness in Ruminants(pp. 243 - 244). , 17th International Symposium and 9th International Conference on Lameness in Ruminants: Lameness in Ruminants: Past, Present and Future United Kingdom: Bristol Veterinary School, University of Bristol
[Conference Abstract]Authored by: Laven, R., Laven, L.

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Laven, R. (2013). Lameness on New Zealand dairy farms: Perception and reality. In B. Whay, & J. Hockenhull (Eds.) Proceedings of the 17th International Symposium and 9th International Conference on Lameness in Ruminants. (pp. 25 - 27). United Kingdom: 17th International Symposium and 9th International Conference on Lameness in Ruminants: Lameness in Ruminants: Past, Present and Future
[Conference Paper in Published Proceedings]Authored by: Laven, R.

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Laven, L., Laven, R., Lopez-Villalobos, N., Parkinson, T., & Margerison, J. (2013). Poster: Monitoring claw conformation in two cohorts of first lactation New Zealand heifers. In Proceedings of the 17th International Symposium and 9th International Conference on Lameness in Ruminants(pp. 248 - 249). , 17th International Symposium and 9th International Conference on Lameness in Ruminants: Lameness in Ruminants: Past, Present and Future United Kingdom: Bristol Veterinary School, University of Bristol
[Conference Abstract]Authored by: Laven, R., Laven, L., Lopez-Villalobos, N.

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Laven, R., & Laven, L. (2013, August). The trigonometry of the bovine claw: Identifying how the environment affects claw conformation. Presented at 17th International Symposium and 9th International Conference on Lameness in Ruminants: Lameness in Ruminants: Past, Present and Future. Bristol, United Kingdom.
[Conference Oral Presentation]Authored by: Laven, R., Laven, L.

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Laven, L., Laven, R., Perrott, M., Lopez-Villalobos, N., & Parkinson, T. (2013, August). Morphometric analysis of blood vessel architecture in histological sections of the bovine claw: Method and preliminary findings. Presented at 17th International Symposium and 9th International Conference on Lameness in Ruminants: Lameness in Ruminants: Past, Present and Future. Bristol, United Kingdom.
[Conference Oral Presentation]Authored by: Laven, R., Laven, L., Lopez-Villalobos, N., Perrott, M.

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Laven, R., Laven, L., & Bryan, M. (2013). Poster: Sole thickness in heifers in Southland. In Proceedings of the 17th International Symposium and 9th International Conference on Lameness in Ruminants(pp. 262 - 263). , 17th International Symposium and 9th International Conference on Lameness in Ruminants: Lameness in Ruminants: Past, Present and Future United Kingom: Bristol Veterinary School, University of Bristol
[Conference Abstract]Authored by: Laven, R., Laven, L.

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Laven, R., Laven, L., & Bryan, M. (2013). Sole thickness in Southland - a longitudinal study. Proceedings of the Society of Dairy Cattle Veterinarians of the NZVA Annual Conference. (pp. 177 - 182). New Zealand: Society of Dairy Cattle Veterinarians of the New Zealand Veterinary Association [NZVA] Annual Conference: All the Udder Bits
[Conference Paper in Published Proceedings]Authored by: Laven, R., Laven, L.

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Laven, R. (2013, June). Sole thickness in heifers post-partum. Presented at The Society of Dairy Cattle Veterinarians of the New Zealand Veterinary [NZVA] Annual Conference: All the Udder Bits. New Plymouth, New Zealand.
[Conference Oral Presentation]Authored by: Laven, R.

Adeyinka, D., Parkinson, T., & Laven, R.Use of lectin histochemistry to study the development of the bovine placentome during gestation. REPRODUCTION IN DOMESTIC ANIMALS. (pp. 537 - 537). 0936-6768.
[Conference]Authored by: Laven, R.

Laven, RA. (2012). Assessment of the effect of treatment with long-acting and short acting non-steroidals on the pain responses associated with lameness in dairy cattle. Poster session presented at the meeting of The First Dairy Cattle Welfare Symposium. Guelph, Ontario, Canada
[Conference Poster]Authored by: Laven, R.

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Laven, RA. (2012, October). Assessment of the effect of treatment with long-acting and short acting non-steroidals on the pain responses associated with lameness in dairy cattle. Presented at The First Dairy Cattle Welfare Symposium. Guelph, Ontario, Canada.
[Conference Oral Presentation]Authored by: Laven, R.

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Weston, J., & Laven, R. (2012). Assessment of a 4th year course in cattle health and production. In Ruminant Teaching Workshop: Programme and Abstracts(pp. 40 - 40). , Ruminant Teaching Workshop Australia: Faculty of Veterinary Science, University of Melborne
[Conference Abstract]Authored by: Laven, R., Weston, J.

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Hickson, R., Laven, R., Lopez-Villalobos, N., Kenyon, P., & Morris, ST. (2012, July). Postpartum anoestrous interval in first-lactation beef and dairy-beef crossbred cows. Presented at Second Joint 72nd New Zealand Society of Animal Production and 29th Biennial Australian Society of Animal Production Conference. Christchurch, New Zealand.
[Conference Oral Presentation]Authored by: Kenyon, P., Laven, R., Lopez-Villalobos, N., Morris, S.

Hickson, RE., Kenyon, PR., Lopez-Villalobos, N., Laven, RL., Fraser, KR., Balcomb, CC., . . . Morris, ST. (2012). The most efficient beef cow. In B. Hodgson, G. Dodunski, J. Chisnall, S. Marshall, A. Roe, K. Kelly, . . . A. Ridler (Eds.) Proceedings of the Society of Sheep and Beef Cattle Veterinarians of the NZVA Annual Conference. Vol. 296 (pp. 4.22.1 - 4.22.7). New Zealand: Society of Sheep and Beef Cattle Veterinarians of the New Zealand Veterinary Association [NZVA] Annual Conference: The Heart of Practice
[Conference Paper in Published Proceedings]Authored by: Kenyon, P., Laven, R., Lopez-Villalobos, N., Morris, S.

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Sahu, S., Laven, RA., Parkinson, T., & Cockrem, J.(2011, December 5). The effect of addition of progesterone (with and without removal of initial gonadotrophin) on oestrus synchronisation in pasture-based dairy heifers. (pp. 29 - 29). , IVABS Research Colloquium
[Conference Abstract]Authored by: Laven, R.

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Laven, RA. (2011). The economics of lameness: What we know and what we don't. Proceedings of the Epidemiology & Animal Health Management Branch of the New Zealand Veterinary Association. (pp. 3.9.1 - 3.9.7). New Zealand: Epidemiology & Animal Health Management Branch of the New Zealand Veterinary Association Annual Conference
[Conference Paper in Published Proceedings]Authored by: Laven, R.

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Ellison, R., & Laven, RA. (2011, June). Trace elements and micronutrients for dairy cattle: Update. Presented at 2011 New Zealand Veterinary Association Conference. Hamilton, New Zealand.
[Conference Oral Presentation]Authored by: Laven, R.

Laven, R.(2011). Measuring the effect of teat sealants on colostrum uptake. . Wellington, New Zealand
[Conference Paper]Authored by: Laven, R.

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Laven, R. (2011, March). Treating lameness NZ style. Presented at Pfizer Dairy Symposium- Lameness in Ruminants 2011. Rotorua, New Zealand.
[Conference Oral Presentation]Authored by: Laven, R.

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Laven, R. (2011, February). Assessment of the effect of treatment with long-acting and short acting non-steroidals on the pain responses associated with lameness. Presented at 16th Symposium and 8th Conference, Lameness in Ruminants, Lameness- A Global Perspective. Rotorua, New Zealand.
[Conference Oral Presentation]Authored by: Laven, R.

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Laven, R. (2011). Assessment of the effect of treatment with long-acting and short acting non-steroidals on the pain responses associated with lameness. In 16th Symposium and 8th Conference, Lameness in Ruminants, Lameness- A Global Perspective(pp. 65 - 65). : Lameness in Ruminants
[Conference Abstract]Authored by: Laven, R.

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Laven, R., Alawneh, J., & Stevenson, M. (2011, February). The impact of lameness on the fertility of dairy cattle in a seasonally breeding pasture-based system. Presented at 16th Symposium and 8th Conference, Lameness in Ruminants, Lameness- A Global Perspective. Rotorua, New Zealand.
[Conference Oral Presentation]Authored by: Laven, R.

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Laven, R., Alawneh, J., & Stevenson, M. (2011). The impact of lameness on the fertility of dairy cattle in a seasonally breeding pasture-based system. In 16th Symposium and 8th Conference, Lameness in Ruminants, Lameness- A Global Perspective(pp. 76 - 76). : Lameness in Ruminants
[Conference Abstract]Authored by: Laven, R.

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Laven, R., Alawneh, J., & Stevenson, M. (2011, February). The use of survival analysis to evaluate farmer recognition of lameness. Presented at 16th Symposium and 8th Conference, Lameness in Ruminants, Lameness- A Global Perspective. Rotorua, New Zealand.
[Conference Oral Presentation]Authored by: Laven, R.

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Laven, R., Alawneh, J., & Stevenson, M. (2011). The use of survival analysis to evaluate farmer recognition of lameness. In 16th Symposium and 8th Conference, Lameness in Ruminants, Lameness- A Global Perspective(pp. 43 - 43). : Lameness in Ruminants
[Conference Abstract]Authored by: Laven, R.

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Laven, L., Laven, R., Lopez Villalobos, N., Parkinson, T., & Margerison, J. (2011, February). Measurement of distance to distal phalanx using ultrasound: A longitudinal study. Presented at 16th Symposium and 8th Conference Lameness in Ruminants, Lameness- A Global Perspective. Rotorua, New Zealand.
[Conference Oral Presentation]Authored by: Laven, R., Laven, L., Lopez-Villalobos, N.

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Laven, L., Laven, R., Lopez Villalobos, N., Parkinson, T., & Margerison, J.(2011, February 28). Measurement of distance to distal phalanx using ultrasound: A longitudinal study. (pp. 101 - 101). , 16th Symposium and 8th Conference Lameness in Ruminants, Lameness- A Global Perspective
[Conference Abstract]Authored by: Laven, R., Lopez-Villalobos, N.

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Lawrence, K., & Laven, R. (2010, November). The changing incidence of left displaced abomasum and uterine torsion since the 2001 UK FMD outbreak. Presented at XXVI World Buiatrics Congress 2010. Santiago, Chile.
[Conference Oral Presentation]Authored by: Laven, R.

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Laven, L., Laven, R., Lopez-Villalobos, N., Parkinson, TJ., & Margerison, J. (2010). A longitudinal study of sole thickness in 25 first lactation heifers. Poster session presented at the meeting of XXVI World Buiatrics Congress 2010. Santiago, Chile
[Conference Poster]Authored by: Laven, R., Laven, L.

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Laven, L., Margerison, J., & Laven, R. (2010, June). Measurement of sole thickness and distance to distal phalanx using a portable ultrasound machine. Presented at Proceedings of the New Zealand Society of Animal Production. Massey University, New Zealand.
[Conference Oral Presentation]Authored by: Laven, R., Laven, L.

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Laven, L., Margerison, J., & Laven, R. (2010). Measurement of sole thickness and distance to distal phalanx using a portable ultrasound machine. In . Roland Sumner (Ed.) Proceedings of the New Zealand Society of Animal Production. Vol. 70 (pp. 240 - 242).
[Conference Paper in Published Proceedings]Authored by: Laven, R., Laven, L.

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Margerison, J., Robarts, A., Laven, R., & Reynolds, G. (2010). Brief communication: The effect of increasing the nutrient and amino acid concentration of whole milk diets on dairy heifer individual feed intake, growth and development rates. In The 4th Australasian Dairy Science Symposium(pp. 434 - 434). : Caxton Press
[Conference Abstract]Authored by: Laven, R.

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Lawrence, KE., Laven, RA., & Jones, G. (2010). Impact analysis of the effect of the 2001 UK FMD outbreak on mastitis consultations by NADIS veterinarians. Mastitis Research into Practice: Proceedings of the 5th IDF Mastitis Conference. (pp. 696 - 697). : 5th IDF Mastitis Conference
[Conference Paper in Published Proceedings]Authored by: Laven, R., Lawrence, K.

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Laven, RA., Lawrence, KE., & Petrovski, K. (2010). A comparison of submission, isolation and sensitivity characteristics for mastitis results across NZ over a three-year-period. In Mastitis Research into Practice: Proceedings of the 5th IDF Mastitis Conference(pp. 709 - 709). , 5th IDF Mastitis Conference: Vet Learn
[Conference Abstract]Authored by: Laven, R., Lawrence, K.

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Worth, A., Laven, R., & Erceg, V. (2009). An assessment of the agreement between the New Zealand Veterinary Association hip dysplasia scoring system and the Pennhip distraction index in Germa

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Prof Richard Laven

Professor - Production Animal Health and Welfare

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