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New Zealand Veterinary Journal Volume 25, 1977 - Issue 8
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Scientific Article

Aspects of Reproduction in New Zealand Dairy Herds

2. Calving interval, breeding period and non-pregnancy rates

K.L. Macmillan Ruakura Research Station, Private Bag, Hamilton
&
K. Moller C/- S. Moller, P.O. Box 377, Te Awamutu
Pages 220-224 | Published online: 23 Feb 2011

Citations (16)

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Read on this site (10)

CWR Compton & S McDougall. (2010) A longitudinal study of reproductive performance and management of 82 dairy herds in the Waikato region with differing policies on the routine use of induction of parturition. New Zealand Veterinary Journal 58:4, pages 175-183.
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KL Macmillan. (2002) Advances in bovine theriogenology in New Zealand. 1. Pregnancy, parturition and the postpartum period. New Zealand Veterinary Journal 50:sup3, pages 67-73.
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D.P. Hayes, D.U. Pfeiffer & R.S. Morris. (1998) Effects of calving induction on subsequent milk yield and reproductive performance of cows from seasonally mated New Zealand dairy herds. New Zealand Veterinary Journal 46:3, pages 97-101.
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Z.Z. Xu, L.J. Burton & K.L. Macmillan. (1996) Reproductive performance of lactating dairy cows following oestrus synchronisation with progesterone, oestradiol and prostaglandin. New Zealand Veterinary Journal 44:3, pages 99-104.
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C. A. Morris & A. M. Day. (1991) Environmental effects on ovulation rate in four spring-calving dairy herds with above-average twin calving rate. New Zealand Journal of Agricultural Research 34:4, pages 401-406.
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K.L. Macmillan, R.I. Henry, V.K. Taufa & P. Phillips. (1990) Calving patterns in seasonal dairy herds. New Zealand Veterinary Journal 38:4, pages 151-155.
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E.D. Fielden, R.E. Harris, K.L. Macmillan & S.L. Shrestha. (1980) Some aspects of reproductive performance in selected town-supply dairy herds. New Zealand Veterinary Journal 28:7, pages 131-142.
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A. de Kruif & A. Brand. (1978) Factors influencing the reproductive capacity of a dairy herd. New Zealand Veterinary Journal 26:7, pages 178-189.
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H.F. Dewes. (1978) Some aspects of lameness in dairy herds. New Zealand Veterinary Journal 26:6, pages 147-159.
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K.L. Macmillan, R.J. Curnow & G.R. Morris. (1977) Oestrus synchronisation with a prostaglandin analogue: I. Systems in lactating dairy cattle. New Zealand Veterinary Journal 25:12, pages 366-372.
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Articles from other publishers (6)

Lucy Coleman, Penny Back, Hugh Blair, Nicolas López-Villalobos & Rebecca Hickson. (2021) Service Sire Effects on Body Condition Score, Milk Production, and Rebreeding of Mixed-Aged Dairy Cows Bred to Angus and Hereford Bulls—A Case Study in New Zealand. Dairy 2:4, pages 637-648.
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Lucy Coleman, Penny Back, Hugh Blair, Nicolas López-Villalobos & Rebecca Hickson. (2021) Sire Effects on Birth Weight, Gestation Length, and Pre-Weaning Growth of Beef-Cross-Dairy Calves: A Case Study in New Zealand. Dairy 2:3, pages 385-395.
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T. Grosshans, Z.Z. Xu, L.J. Burton, D.L. Johnson & K.L. Macmillan. (1997) Performance and genetic parameters for fertility of seasonal dairy cows in New Zealand. Livestock Production Science 51:1-3, pages 41-51.
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K.L. Macmillan & A.J. Peterson. (1993) A new intravaginal progesterone releasing device for cattle (CIDR-B) for oestrous synchronisation, increasing pregnancy rates and the treatment of post-partum anoestrus. Animal Reproduction Science 33:1-4, pages 1-25.
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K L MACMILLAN. (1985) Reproductive efficiency in dairy cattle. Australian Veterinary Journal 62:s1, pages 41-48.
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K.L. Macmillan & A.M. Day. (1982) Prostaglandin F2α — A fertility drug in dairy cattle?. Theriogenology 18:3, pages 245-253.
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