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Animal Science and Veterinary

D-Index
39
Citations
6176
World Ranking
1264
National Ranking
372

Overview

Thomas W. Geary is affiliated with the Agricultural Research Service in the United States. Their research primarily focuses on fields related to Agricultural and Biological Sciences and Medicine. Key subfields include Agronomy and Crop Science, Genetics, Public Health, Environmental and Occupational Health, Reproductive Medicine, and Animal Science and Zoology.

The main topics covered in their work involve Reproductive Physiology in Livestock, Genetic and Phenotypic Traits in Livestock, Reproductive Biology and Fertility, Sperm and Testicular Function, Effects of Environmental Stressors on Livestock, Ruminant Nutrition and Digestive Physiology, and Plant and Fungal Interactions.

The scientist has published extensively, with notable frequent publication venues being:

  • Journal of Animal Science
  • Animal Reproduction Science
  • Biology of Reproduction
  • Genes
  • Frontiers in Animal Science

Among recent papers authored or coauthored by Thomas W. Geary are:

  • Differential Transcript Profiles in Cumulus-Oocyte Complexes Originating from Pre-Ovulatory Follicles of Varied Physiological Maturity in Beef Cows, 2021, Genes
  • Effect of estradiol preceding and progesterone subsequent to ovulation on proportion of postpartum beef cows pregnant, 2021, Animal Reproduction Science
  • Bull field fertility differences can be estimated with in vitro sperm capacitation and flow cytometry, 2023, Frontiers in Animal Science
  • Effect of supplemental trace minerals on standard and novel measures of bull fertility, 2021, Theriogenology
  • Influence of preovulatory estradiol treatment on the maintenance of pregnancy in beef cattle receiving in vivo produced embryos, 2023, Animal Reproduction Science

Frequent coauthors collaborating with Thomas W. Geary include:

  • George A Perry
  • Abigail L Zezeski
  • A.L. Zezeski
  • M. F. Smith
  • Jerica J J Rich

Best Publications

  • Relationship between follicle size at insemination and pregnancy success.

    George A. Perry;Michael F. Smith;Matthew C. Lucy;Jonathan A. Green

  • Relationship between size of the ovulatory follicle and pregnancy success in beef heifers.

    G. A. Perry;M. F. Smith;A. J. Roberts;M. D. MacNeil

  • Synchronization of estrus in suckled beef cows for detected estrus and artificial insemination and timed artificial insemination using gonadotropin-releasing hormone, prostaglandin F2α, and progesterone

    J. E. Larson;G. C. Lamb;J. S. Stevenson;S. K. Johnson

  • Leptin as a predictor of carcass composition in beef cattle

    T. W. Geary;E. L. McFadin;M. D. MacNeil;E. E. Grings

  • Synchronization of estrus and artificial insemination in replacement beef heifers using gonadotropin-releasing hormone, prostaglandin F2alpha, and progesterone.

    G. C. Lamb;J. E. Larson;T. W. Geary;J. S. Stevenson

  • Pregnancy rates of postpartum beef cows that were synchronized using Syncro-Mate-B or the Ovsynch protocol

    T W Geary;J C Whittier;E R Downing;D G LeFever

  • Characterization of the Vaginal Microbiota of Ewes and Cows Reveals a Unique Microbiota with Low Levels of Lactobacilli and Near-Neutral pH

    Jeffrey D. Swartz;Medora Lachman;Kelsey Westveer;Thomas O’Neill

  • Calf removal improves conception rates to the Ovsynch and CO-Synch protocols.

    T W Geary;J C Whittier;D M Hallford;M D MacNeil

  • Preovulatory estradiol and the establishment and maintenance of pregnancy in suckled beef cows.

    E. M. Jinks;M. F. Smith;J. A. Atkins;K. G. Pohler

  • Uterine influences on conceptus development in fertility-classified animals.

    Joao G N Moraes;Susanta K Behura;Thomas W Geary;Peter J Hansen

  • Effect of early gestational undernutrition on angiogenic factor expression and vascularity in the bovine placentome

    K. A. Vonnahme;M. J. Zhu;P. P. Borowicz;T. W. Geary

  • Increased Conception Rates in Beef Cattle Inseminated with Nanopurified Bull Semen

    John F. Odhiambo;J.M. DeJarnette;Thomas W. Geary;Chelsey E. Kennedy

  • Effect of copper, zinc, and manganese supplementation and source on reproduction, mineral status, and performance in grazing beef cattle over a two-year period.

    J. K. Ahola;D. S. Baker;P. D. Burns;R. G. Mortimer

  • Genetic parameter estimates for scrotal circumference and semen characteristics of Line 1 Hereford bulls.

    C. G. Kealey;M. D. MacNeil;M. W. Tess;T. W. Geary

  • Reproductive performance of heifers offered ad libitum or restricted access to feed for a one hundred forty-day period after weaning.

    A. J. Roberts;T. W. Geary;E. E. Grings;R. C. Waterman

  • Ovarian and Estrous Response of Suckled Beef Cows to the Select Synch Estrous Synchronization Protocol11This research was supported by a grant from Select Sires. The authors express their appreciation to Select Sires and to Merial, Pharmacia & Upjohn, and DDx, Inc. for their generous donations of Cystorelin, Lutalyse, and HeatWatch, respectively, and to Dave Schutz and Doug Couch at the Eastern Colorado Research Center for assistance in data collection.

    Unknown

  • Follicular determinants of pregnancy establishment and maintenance

    Ky G. Pohler;Thomas W. Geary;Jacqueline A. Atkins;George A. Perry

  • Circulating bovine pregnancy associated glycoproteins are associated with late embryonic/fetal survival but not ovulatory follicle size in suckled beef cows

    K. G. Pohler;T. W. Geary;C. L. Johnson;J. A. Atkins

  • Ability of intravaginal progesterone inserts and melengestrol acetate to induce estrous cycles in postpartum beef cows.

    G. A. Perry;M. F. Smith;T. W. Geary

  • Triennial Reproduction Symposium: deficiencies in the uterine environment and failure to support embryonic development.

    G A Bridges;M L Day;T W Geary;L H Cruppe

  • Synchronization of ovulation using GnRH or hCG with the CO-Synch protocol in suckled beef cows.

    T. W. Geary;R. R. Salverson;J. C. Whittier

  • Effects of Fertility on Gene Expression and Function of the Bovine Endometrium

    Megan A. Minten;Todd R. Bilby;Ralph G. S. Bruno;Carolyn C. Allen

  • Effects of preovulatory estradiol on embryo survival and pregnancy establishment in beef cows

    Crystal A. Madsen;Crystal A. Madsen;George A. Perry;Christina L. Mogck;Russell F. Daly

  • Pregnancy establishment and maintenance in cattle

    J. A. Atkins;M. F. Smith;M. D. MacNeil;E. M. Jinks

  • Effect of ovulatory follicle size and expression of estrus on progesterone secretion in beef cows

    D. C. Busch;J. A. Atkins;J. F. Bader;D. J. Schafer

  • Influence of seasonal forage quality on glucose kinetics of young beef cows.

    R. C. Waterman;E. E. Grings;T. W. Geary;A. J. Roberts

  • Quantitative trait loci with additive effects on palatability and fatty acid composition of meat in a Wagyu-Limousin F2 population.

    L. J. Alexander;M. D. MacNeil;T. W. Geary;W. M. Snelling

Frequent Co-Authors

Michael D. MacNeil
Michael D. MacNeil University of the Free State
Ky G. Pohler
Ky G. Pohler Texas A&M University
George A. Perry
George A. Perry Texas A&M University
Thomas E. Spencer
Thomas E. Spencer University of Missouri
José Luiz Moraes Vasconcelos
José Luiz Moraes Vasconcelos Sao Paulo State University
Jeffrey S. Stevenson
Jeffrey S. Stevenson Kansas State University
Daniel C. Rule
Daniel C. Rule University of Wyoming
Peter J. Hansen
Peter J. Hansen University of Florida
James G. Berardinelli
James G. Berardinelli Montana State University
G. C. Lamb
G. C. Lamb University of Florida

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