H. D. Hafs

Analysis of Repeated Measurements of Animals

J. L. Gill, H. D. Hafs · Journal of Animal Science · 1971 · 833 citations

Animal Performance, Nutrition, Animal Behaviour +13

Efficacy of an intravaginal progesterone insert and an injection of PGF2alpha for synchronizing estrus and shortening the interval to pregnancy in postpartum beef cows, peripubertal beef heifers, and dairy heifers.

M.C. Lucy, Heather J. Billings, W.R. Butler et al. · Journal of Animal Science · 2001 · 206 citations

Bovine Serum Estrogens, Progestins and Glucocorticoids during Late Pregnancy, Parturition and Early Lactation

V. G. Smith, L. A. Edgerton, H. D. Hafs et al. · Journal of Animal Science · 1973 · 202 citations

Fertility, Days Postpartum, Reproductive Health +22

Estradiol and Progesterone in Blood Serum during the Bovine Estrous Cycle

R. P. Wettemann, H. D. Hafs, L. A. Edgerton et al. · Journal of Animal Science · 1972 · 131 citations

Fertility, Lh Release, Gynecology +17

Suckling and Four-Times Daily Milking: Influence on Ovulation, Estrus and Serum Luteinizing Hormone, Glucocorticoids and Prolactin in Postpartum Holsteins

T. D. Carruthers, H. D. Hafs · Journal of Animal Science · 1980 · 128 citations

Nutrition, Four-times Daily Milking, Fertility +18