References
- Anon 55th Farm Production Report N.Z. Dairy Board, P.O. Box 417 Wellington
- Britt , J. H. 1915 . P Early post-partum breeding in dairy cows: A review . J. Dairy Sci. , 59, 1 : 266 – 71 .
- Day , A. M. 1979 . Induced termination of the calving season in a targe dairy herd . N.Z. vet. J. , 27 : 22 – 29 .
- MacDiarmid , S. C. 1980 . Betamethasone for the induction of parturition in dairy cows: a comparison of formulations . N.Z. vet. J. , 28 : 61 – 64 .
- MacMillan , K. L.; , Fieiden , E. D.; and Curnow , R. J. 1977 . Factors influencing A.B. conception rates . N.Z. J. Exp. Agr. , 5 : 123 – 127 .
- Moller , K. 1970 . Uterine involution and ovarian activity after calving . N. Z. vet. J. , 18 : 140 – 145 .
- Moller , K. 1978 . PAHAPS on N.Z. Dairy Farms , Wellington. : Veterinary Services Council, P.O. Box 417. .
- Moller , K.; and MacDiarmid , S. C. 1981 . PAHAPS on N.Z. Dairy Farms 1164 – 1166 .
- Whitmore , H. L.; , Tyler , W. J.: and Casida , L. E. 1974 . Effects of early post-partum breeding in dairy cattle . J. Anim. Sci. , 38 : 339 – 339 .