Progesterone concentrations in milk fat at first insemination — effects on non-return and repeat-breeding

Profiles of reproductive hormones associated with fertile and nonfertile inseminations of dairy cows

R.E. Erb, H.A. Garverick, R.D. Randel et al. · Theriogenology · 1976 · 138 citations

Infertility, Animal Reproduction, Theriogenology +14

Interrelationships With Estrous Behavior and Conception in Dairy Cattle

A.W.M.V. De Silva, Gary Anderson, F.C. Gwazdauskas et al. · Journal of Dairy Science · 1981 · 99 citations · Full text

Sequential endocrine changes and behaviour during oestrus and metoestrus in repeat breeder and virgin heifers

H. Gustafsson, K. Larsson, H. Kindahl et al. · Animal Reproduction Science · 1986 · 71 citations

Fertility, Comparative Endocrinology, Gynecology +16

Influence of Varying Levels of Blood Progesterone upon Estrous Behavior in Cattle

S. Davidge, J. L. Wiebold, P. L. Senger et al. · Journal of Animal Science · 1987 · 44 citations

Fertility, Gynecology, Livestock Health +19

Could Artificial Insemination of Cattle be More Fruitful? Penalties Associated with Ageing Eggs

R. H. F. Hunter, T. Greve · Reproduction in Domestic Animals · 1997 · 43 citations

Infertility, Animal Reproduction, Animal Agriculture +9