World's Best Scientists 2026 revealed!
William W. Thatcher

William W. Thatcher

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Animal Science and Veterinary
USA
2026

D-Index & Metrics

Animal Science and Veterinary

D-Index
126
Citations
46320
World Ranking
4
National Ranking
3

Research.com Recognitions

  • 2026 - Research.com Animal Science and Veterinary in United States Leader Award
  • 2025 - Research.com Animal Science and Veterinary in United States Leader Award
  • 2023 - Research.com Animal Science and Veterinary in United States Leader Award
  • 2011 - ASAS Fellow Award, American Society of Animal Science
  • 2007 - American Dairy Science Association Fellowship Award
  • 2006 - The Morrison Award, American Society of Animal Science
  • 1997 - L. E. Casida Award, American Society of Animal Science
  • 1992 - Zinpro Award for Excellence in Dairy Science, American Dairy Science Association
  • 1985 - Animal Physiology and Endocrinology Award, American Society of Animal Science

Best Publications

  • The effect of embryonic death rates in cattle on the efficacy of estrus synchronization programs

    J.E.P Santos;W.W Thatcher;R.C Chebel;R.L.A Cerri

  • Effects of presynchronization and bovine somatotropin on pregnancy rates to a timed artificial insemination protocol in lactating dairy cows.

    F. Moreira;C. Orlandi;C.A. Risco;R. Mattos

  • Influence of supplemental fats on reproductive tissues and performance of lactating cows.

    C.R. Staples;J.M. Burke;W.W. Thatcher

  • Influences of environment and its modification on dairy animal health and production.

    R.J. Collier;D.K. Beede;W.W. Thatcher;L.A. Israel

  • Factors that affect ovarian follicular dynamics in cattle.

    M C Lucy;J D Savio;L Badinga;R L De La Sota

  • Theory of maternal recognition of pregnancy in swine based on estrogen controlled endocrine versus exocrine secretion of prostaglandin F2alpha by the uterine endometrium.

    Fuller W. Bazer;W.W. Thatcher

  • EFFECTS OF DIETARY FATTY ACIDS ON REPRODUCTION IN RUMINANTS

    Ricardo Mattos;Charles R. Staples;William W. Thatcher

  • Invited review : New Perspectives on the Roles of Nutrition and Metabolic Priorities in the Subfertility of High-Producing Dairy Cows

    L.M. Chagas;J.J. Bass;Dominique Blache;C.R. Burke

  • Large Dairy Herd Management

    C. J. Wilcox;H. H. van Horn;B. Harris;H. H. Head

  • Relationship between ovarian activity and energy status during the early postpartum period of high producing dairy cows.

    C.R. Staples;W.W. Thatcher;J.H. Clark

  • Effects of Heat Stress during Pregnancy on Maternal Hormone Concentrations, Calf Birth Weight and Postpartum Milk Yield of Holstein Cows

    R. J. Collier;S. G. Doelger;H. H. Head;W. W. Thatcher

  • Establishment of pregnancy in the pig: I. Interrelationships between preimplantation development of the pig blastocyst and uterine endometrial secretions.

    R D Geisert;R H Renegar;W W Thatcher;R M Roberts

  • Hormonal regulation of uterine secretion of prostaglandin F2 alpha during luteolysis in ruminants.

    W J Silvia;G S Lewis;J A McCracken;W W Thatcher

  • Effect of heat stress on follicular development during the estrous cycle in lactating dairy cattle.

    D Wolfenson;W W Thatcher;L Badinga;J D Savio

  • Effect of day of the estrous cycle at the initiation of a timed artificial insemination protocol on reproductive responses in dairy heifers.

    F Moreira;R L de la Sota;T Diaz;W W Thatcher

  • Conceptus Development in Intact and Unilaterally Hysterectomized-Ovariectomized Gilts: Interrelations among Hormonal Status, Placental Development, Fetal Fluids and Fetal Growth

    J. W. Knight;Fuller W. Bazer;W. W. Thatcher;D. E. Franke

  • Effects of induction of low plasma progesterone concentrations with a progesterone-releasing intravaginal device on follicular turnover and fertility in cattle

    J. D. Savio;W. W. Thatcher;G. R. Morris;K. Entwistle

  • Effects of climatic and management factors on conception rate of dairy cattle in subtropical environment.

    L. Badinga;R.J. Collier;W.W. Thatcher;C.J. Wilcox

  • Regulation of dominant follicle turnover during the oestrous cycle in cows

    J. D. Savio;W. W. Thatcher;L. Badinga;R. L. de la Sota

  • Prevalence of periparturient diseases and effects on fertility of seasonally calving grazing dairy cows supplemented with concentrates.

    E.S. Ribeiro;F.S. Lima;L.F. Greco;R.S. Bisinotto

  • Energy balance and size and number of ovarian follicles detected by ultrasonography in early postpartum dairy cows.

    M.C. Lucy;C.R. Staples;F.M. Michel;W.W. Thatcher

  • Concepts for regulation of corpus luteum function by the conceptus and ovarian follicles to improve fertility

    W.W. Thatcher;K.L. Macmillan;P.J. Hansen;M. Drost

  • Strategies for improving fertility in the modern dairy cow.

    W.W. Thatcher;T.R. Bilby;J.A. Bartolome;J.A. Bartolome;F. Silvestre

  • Evaluation of timed insemination using a gonadotropin-releasing hormone agonist in lactating dairy cows.

    J.M. Burke;R.L. De La Sota;C.A. Risco;C.R. Staples

  • New clinical uses of GnRH and its analogues in cattle

    W.W. Thatcher;M. Drost;J.D. Savio;K.L. Macmillan

  • Embryonic development in superovulated dairy cattle exposed to elevated ambient temperatures between Days 1 to 7 post insemination

    D.J. Putney;M. Drost;W.W. Thatcher

Frequent Co-Authors

José E. P. Santos
José E. P. Santos University of Florida
Fuller W. Bazer
Fuller W. Bazer Texas A&M University
C.R. Staples
C.R. Staples University of Florida
C.J. Wilcox
C.J. Wilcox University of Florida
Carlos A. Risco
Carlos A. Risco University of Florida
Klibs N. Galvão
Klibs N. Galvão University of Florida
Fabio S. Lima
Fabio S. Lima University of California, Davis
Ricardo C. Chebel
Ricardo C. Chebel University of Florida
Robert J Collier
Robert J Collier University of Arizona
Ronaldo L.A. Cerri
Ronaldo L.A. Cerri University of British Columbia

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For those aiming at the highest level of expertise, pursuing online doctoral programs in counseling provides flexible, affordable options to earn a PhD while advancing interdisciplinary knowledge applicable to both human and animal sciences.

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