H. D. Hafs

H. D. Hafs publication distribution in Animal Science and Veterinary in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Animal Science and Veterinary in 2026. The highlighted bar marks where H. D. Hafs sits on this spectrum.

H. D. Hafs D-index placement in Animal Science and Veterinary in 2026

The chart shows the D-index (discipline H-index) distribution of Animal Science and Veterinary scientists ranked by Research.com in 2026. The highlighted bar marks where H. D. Hafs sits on this spectrum.

Best Publications

• Analysis of Repeated Measurements of Animals

  Unknown

  833
  Citations

• 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;H J Billings;W R Butler;L R Ehnis

  299
  Citations

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

  Unknown

  202
  Citations

• Estrus and luteal function in suckled beef cows that were anestrous when treated with an intravaginal device containing progesterone with or without a subsequent injection of estradiol benzoate.

  K E Fike;M L Day;E K Inskeep;J E Kinder

  137
  Citations

• Estradiol and Progesterone in Blood Serum during the Bovine Estrous Cycle

  Unknown

  133
  Citations

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

  Unknown

  128
  Citations

• Response of cyclic and post-partum suckled cows to injections of synthetic LH-RH

  Unknown

  126
  Citations

• Progesterone, LH, Estrus and Ovulation after Prostaglandin F2  in Heifers

  Unknown

  126
  Citations

• Induced and synchronized estrus in cattle: dose titration of estradiol benzoate in peripubertal heifers and postpartum cows after treatment with an intravaginal progesterone-releasing insert and prostaglandin F2alpha.

  M A Lammoglia;R E Short;S E Bellows;R A Bellows

  124
  Citations

• Prepartum grain feeding effects on milk production, mammary edema, and incidence of diseases.

  R.S. Emery;H.D. Hafs;D. Armstrong;W.W. Snyder

  106
  Citations

• Testicular and Blood Plasma Androgens in Holstein Bulls from Birth through Puberty

  Unknown

  106
  Citations

• Age and breed differences in thyroid hormones, insulin-like growth factor (IGF)-I and IGF binding proteins in female horses.

  Unknown

  98
  Citations

• Serum Luteinizing Hormone, Prolactin, Glucocorticoid, and Progestin in Dairy Cows from Calving to Gestation

  Unknown

  95
  Citations

• The Hypothalamo-Pituitary Gonadotrophic Axis of Suckled and Nonsuckled Dairy Cows Postpartum

  Unknown

  85
  Citations

• Ovarian Characteristics and Serum LH, Prolactin, Progesterone and Glucocorticoid from First Estrus to Breeding Size in Holstein Heifers

  Unknown

  85
  Citations

• Intrauterine Administration of Prostaglandin F2α in Cows: Progesterone, Estrogen, LH, Estrus and Ovulation

  Unknown

  84
  Citations

• Maturation of Bovine Female Genitalia from Birth through Puberty

  Unknown

  82
  Citations

• Serum Hormone Patterns Associated with Growth and Sexual Development in Bulls

  Unknown

  80
  Citations

• LH and Prolactin in Blood Serum from Estrus to Ovulation in Holstein Heifers

  Unknown

  79
  Citations

• Pituitary and Plasma Growth Hormone Levels in Bulls from Birth to One Year of Age

  Unknown

  79
  Citations