Possibilities for the Improvement of Reproductive Efficiency in Cattle
Publisher
Springer Netherlands
Reference58 articles.
1. Beardon, H.J., Hansel, W. and Bratton, R.W. 1956. Fertilisation and embryonic mortality rates of bulls with histories of either low or high fertility in artificial breeding. J. Dairy Sci. 39, 312–318.
2. Boland, M.P. and Gordon, I. 1978. Twinning in lactating Friesian cows by non surgical egg transfer. Vet. Record, 103, 241.
3. Boyd, J. and Reed, H.C.B. 1961b. Investigations into the incidents and causes of infertility in dairy cattle. Influence of some management factors affecting the semen and insemination conditions. Br. Vet. J. 117, 74–86.
4. Brand, A., Aarts, M.H.,Zaayer, D. and Oxender, W.D. 1977. Recovery and transfer of embryos by non-surgical procedures in lactating dairy cattle. In: Control of reproduction in the cow. Luxembourg CEC (in press).
5. Casida, L.E. 1968. The post-partum cow. Res. Bull. Agric. Exp. Stn., Univ. Wiscon. 270, 48–52.