Effect of treatment of phantom cows with a progesterone-based synchrony programme

References

• Bates AJ, Kenyon AG, Laven RA, McDowell JC. Resynchronising returns to service in anoestrous dairy cows in the South Island of New Zealand. New Zealand Veterinary Journal 64, 268–74, 2016 doi: 10.1080/00480169.2016.1184108
   PubMed Web of Science ®Google Scholar
• Breukelman SP, Szenci O, Beckers JF, Kindahl H, Mulder EJ, Jonker FH, van der Weijden B, Revy D, Pogany K, Sulon J, et al. Ultrasonographic appearance of the conceptus, fetal heart rate and profiles of pregnancy-associated glycoproteins (PAG) and prostaglandin F2alpha-metabolite (PGF2alpha-metabolite) after induction of fetal death with aglepristone during early gestation in cattle. Theriogenology 64, 917–33, 2005 doi: 10.1016/j.theriogenology.2004.12.016
   PubMed Web of Science ®Google Scholar
• Cavalieri J, Eagles V, Ryan M, Macmillan KL. Comparison of four methods for detection of oestrus in dairy cows with resynchronised oestrous cycles. Australian Veterinary Journal 81, 422–5, 2003a doi: 10.1111/j.1751-0813.2003.tb11553.x
   PubMed Web of Science ®Google Scholar
• *Cavalieri J, Morton JM, Nation DP, Hepworth G, Pino S, Rabiee A, Macmillan KL. Phantom cows: predisposing factors, causes and treatment strategies that have been attempted to reduce the prevalence within herds. Proceedings of the 20th Annual Society of Dairy Cattle Veterinarians of the New Zealand Veterinary Association. Pp 365-88. VetLearn, 2003b
   Google Scholar
• Cuttance EL, Mason WA. Risk factors for and reproductive outcomes of phantom cows on New Zealand dairy farms. New Zealand Veterinary Journal 63, 276–83, 2015 doi: 10.1080/00480169.2015.1031292
   PubMed Web of Science ®Google Scholar
• Day AM. Cloprostenol for termination of pregnancy in cattle. B) The induction of abortion. New Zealand Veterinary Journal 25, 139–44, 1977 doi: 10.1080/00480169.1977.34386
   PubMedGoogle Scholar
• *Dohoo IR, Martin SW, Stryhn H. Modelling survival data. In: McPike SM (ed). Veterinary Epidemiologic Research. Pp 497–8. VER Incorporated, Charlottetown, Prince Edward Island, Canada, 2009
   Google Scholar
• Grooms DL. Reproductive losses caused by bovine viral diarrhea virus and leptospirosis. Theriogenology 66, 624–8, 2006 doi: 10.1016/j.theriogenology.2006.04.016
   PubMed Web of Science ®Google Scholar
• Hanlon DW, Wichtel JJ, Xu ZZ, Burton LJ. The reproductive performance of anoestrous dairy cows following treatment with progesterone and oestradiol prior to the start of mating. New Zealand Veterinary Journal 48, 136–43, 2000 doi: 10.1080/00480169.2000.36180
   PubMed Web of Science ®Google Scholar
• Lin DY, Wei LJ. The robust inference for the Cox proportional hazards model. Journal of the American Statistical Association 84, 1074–8, 1989 doi: 10.1080/01621459.1989.10478874
   Web of Science ®Google Scholar
• Macmillan KL, Curnow RJ. Tail painting — a simple form of oestrus detection in New Zealand dairy herds. New Zealand Journal of Experimental Agriculture 5, 357–61, 1977 doi: 10.1080/03015521.1977.10425996
   Web of Science ®Google Scholar
• McDougall S. Comparison of diagnostic approaches, and a cost-benefit analysis of different diagnostic approaches and treatments of anoestrous dairy cows. New Zealand Veterinary Journal 58, 81–9, 2010 doi: 10.1080/00480169.2010.65262
   PubMed Web of Science ®Google Scholar
• Nakao T, Tomita M, Kanbayashi H, Takagi H, Abe T, Takeuchi Y, Ochiai H, Moriyoshi M, Kawata K. Comparisons of several dosages of a GnRH analog with the standard dose of HCG in the treatment of follicular cysts in dairy cows. Theriogenology 38, 137–45, 1992 doi: 10.1016/0093-691X(92)90225-G
   PubMed Web of Science ®Google Scholar
• *Nation DP, Morton J, Cavalieri J, Macmillan K. Factors associated with the incidence of ‘phantom cows’ in Australian dairy herds. Proceedings of the New Zealand Society of Animal Production 61, 180–3, 2001
   Google Scholar
• Rhodes FM, McDougall S, Verkerk GA, Burke CR, Macmillan KL. Treatment of cows with an extended postpartum anoestrus interval. Journal of Dairy Science 86, 1876–94, 2003 doi: 10.3168/jds.S0022-0302(03)73775-8
   PubMed Web of Science ®Google Scholar
• Roche JR, Dillon PG, Stockdale CR, Baumgard LH, VanBaale MJ. Relationships among international body condition scoring systems. Journal of Dairy Science 87, 3076–9, 2004 doi: 10.3168/jds.S0022-0302(04)73441-4
   PubMed Web of Science ®Google Scholar
• Sheldon IM, Lewis GS, LeBlanc S, Gilbert RO. Defining postpartum uterine disease in cattle. Theriogenology 65, 1516–30, 2006 doi: 10.1016/j.theriogenology.2005.08.021
   PubMed Web of Science ®Google Scholar
• Shephard RW, Morton JM. Estimation of sensitivity and specificity of pregnancy diagnosis using transrectal ultrasonography and ELISA for pregnancy-associated glycoprotein in dairy cows using a Bayesian latent class model. New Zealand Veterinary Journal 66, 30–6, 2018 doi: 10.1080/00480169.2017.1391723
   PubMed Web of Science ®Google Scholar
• Silva E, Sterry RA, Fricke PM. Assessment of a practical method for identifying anovular dairy cows synchronized for first postpartum timed artificial insemination. Journal of Dairy Science 90, 3255–62, 2007 doi: 10.3168/jds.2006-779
   PubMed Web of Science ®Google Scholar
• Sturman H, Oltenacu EA, Foote RH. Importance of inseminating only cows in estrus. Theriogenology 53, 1657–67, 2000 doi: 10.1016/S0093-691X(00)00305-8
   PubMed Web of Science ®Google Scholar
• Vanholder T, Opsomer G, de Kruif A. Aetiology and pathogenesis of cystic ovarian follicles in dairy cattle: a review. Reproduction Nutrition Devlopment 46, 105–19, 2006 doi: 10.1051/rnd:2006003
   PubMedGoogle Scholar
• Verkerk G. Pasture-based dairying: challenges and rewards for New Zealand producers. Theriogenology 59, 553–61, 2003 doi: 10.1016/S0093-691X(02)01239-6
   PubMed Web of Science ®Google Scholar
• * Non-peer-reviewed.
   Google Scholar