John P. Kastelic

Best Publications

• Temporal associations among ovarian events in cattle during oestrous cycles with two and three follicular waves.

  O. J. Ginther;L. Knopf;J. P. Kastelic

  989
  Citations

• Association between surges of follicle-stimulating hormone and the emergence of follicular waves in heifers.

  G. P. Adams;R. L. Matteri;J. P. Kastelic;J. C. H. Ko

  872
  Citations

• Invited review: Changes in the dairy industry affecting dairy cattle health and welfare.

  H.W. Barkema;M.A.G. von Keyserlingk;J.P. Kastelic;T.J.G.M. Lam

  659
  Citations

• Composition and characteristics of follicular waves during the bovine estrous cycle

  O.J. Ginther;J.P. Kastelic;L. Knopf

  531
  Citations

• Ovarian follicular dynamics in heifers: test of two-wave hypothesis by ultrasonically monitoring individual follicles.

  L. Knopf;J.P. Kastelic;E. Schallenberger;O.J. Ginther

  407
  Citations

• Effect of LH or GnRH on the dominant follicle of the first follicular wave in beef heifers

  M.F Martinez;G.P Adams;D.R Bergfelt;J.P Kastelic

  299
  Citations

• Lower Pregnancy Losses in Lactating Dairy Cows Fed a Diet Enriched in α-Linolenic Acid

  D.J. Ambrose;J.P. Kastelic;R. Corbett;P.A. Pitney

  292
  Citations

• Relationship between ultrasonic assessment of the corpus luteum and plasma progesterone concentration in heifers.

  J.P. Kastelic;D.R. Bergfelt;O.J. Ginther

  274
  Citations

• Ultrasonic morphology of corpora lutea and central luteal cavities during the estrous cycle and early pregnancy in heifers.

  J.P. Kastelic;R.A. Pierson;O.J. Ginther

  257
  Citations

• Testicular thermoregulation in Bos indicus ‚ crossbred and Bos taurus bulls: relationship with scrotal‚ testicular vascular cone and testicular morphology‚ and effects on semen quality and sperm production

  Unknown

  239
  Citations

• Comparison of methods to evaluate the plasmalemma of bovine sperm and their relationship with in vitro fertilization rate.

  Unknown

  237
  Citations

• Effects of environmental factors, age and genotype on sperm production and semen quality in Bos indicus and Bos taurus AI bulls in Brazil.

  Unknown

  236
  Citations

• Breeding Soundness Evaluation and Semen Analysis for Predicting Bull Fertility

  Unknown

  236
  Citations

• Incidence of clinical mastitis and distribution of pathogens on large Chinese dairy farms

  Jian Gao;Herman W. Barkema;Limei Zhang;Gang Liu

  235
  Citations

• The use of progestins in regimens for fixed-time artificial insemination in beef cattle.

  Marcelo F Martı́nez;John P Kastelic;Gregg P Adams;Byrne Cook

  233
  Citations

• Effect of day of prostaglandin F2α treatment on selection and development of the ovulatory follicle in heifers

  J.P. Kastelic;L. Knopf;O.J. Ginther

  221
  Citations

• Effects of a dominant follicle on ovarian follicular dynamics during the oestrous cycle in heifers.

  J. C. H. Ko;J. P. Kastelic;M. R. Del Campo;O. J. Ginther

  210
  Citations

• Induction of follicular wave emergence for estrus synchronization and artificial insemination in heifers.

  M.F. Martinez;G.P. Adams;J.P. Kastelic;D.R. Bergfelt

  199
  Citations

• Effects of cryopreservation on sperm viability, synthesis of reactive oxygen species, and DNA damage of bovine sperm

  Unknown

  195
  Citations

• Effect of uterine inflammation and ultrasonically-detected uterine pathology on fertility in the mare.

  Adams Gp;Kastelic Jp;Bergfelt Dr;Ginther Oj

  193
  Citations