overview

Dr. Dickson Varner is a Diplomate of the American College of Theriogenologists. His special interests include equine theriogenology, fertility probes for stallions, in-vitro preservation of equine spermatozoa, capacitation of equine spermatozoa, assisted reproductive techniques, and subfertility in stallions.

selected publications
Academic Articles194
  • Serafini, R., Ghosh, S., Love, C. C., Medrano, J., Teague, S. R., LaCaze, K. A., & Varner, D. D. (2019). Effect of artificial vagina lubricants on stallion sperm quality. Theriogenology. 139, 121-125.
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  • Hernández-Avilés, C., Love, C. C., Serafini, R., Teague, S. R., & Varner, D. D. (2019). Supplemental antibiotics in a commercial extender for stallion semen. Journal of Equine Veterinary Science. 80, 33-35.
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  • Valdez, R., Cavinder, C. A., Varner, D. D., Welsh, T. H., Vogelsang, M. M., & Ing, N. H. (2019). Dexamethasone downregulates expression of several genes encoding orphan nuclear receptors that are important to steroidogenesis in stallion testes. Journal of Biochemical and Molecular Toxicology. 33(6), e22309-e22309.
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  • Hernández-Avilés, C., Serafini, R., Love, C. C., Teague, S. R., LaCaze, K. A., Lawhon, S. D., ... Varner, D. D. (2018). The effects of antibiotic type and extender storage method on sperm quality and antibacterial effectiveness in fresh and cooled-stored stallion semen. Theriogenology. 122, 23-29.
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  • Fisher, A., Harrison, K., Love, C., Varner, D., & Rangel, J. (2018). Spatio-Temporal Variation in Viability of Spermatozoa of Honey Bee, Apis mellifera1, Drones in Central Texas Apiaries. Southwestern Entomologist. 43(2), 343-356.
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Books1
  • Brinsko, S., Blanchard, T., Varner, D., Schumacher, J., & Love, C. (2011). Manual of Equine Reproduction. Elsevier.
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Chapters5
  • Blanchard, T. L., Varner, D. D., & Morehead, J. P. (2014). Breeding Management of the Older Stallion With Declining Testicular Function. Robinson's Current Therapy in Equine Medicine: Seventh Edition. 641-643. Elsevier.
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  • Varner, D. D. (2014). Low Sperm Count: Diagnosis and Management of Semen for Breeding. Robinson's Current Therapy in Equine Medicine: Seventh Edition. 653-657. Elsevier.
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  • Schumacher, J., & Varner, D. D. (2007). Surgical Correction of Abnormalities Affecting the Reproductive Organs of Stallions. Current Therapy in Large Animal Theriogenology. 23-36.
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  • Schumacher, J., & Varner, D. D. (2006). Surgical Correction of Abnormalities Affecting the Reproductive Organs of Stallions. Current Therapy in Large Animal Theriogenology: Second Edition. 23-36. Elsevier.
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  • Varner, D. D. (2003). Liquid Preservation of Equine Semen. Current Therapy in Equine Medicine: Fifth Edition. 266-269. Elsevier.
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Conference Papers12
  • Love, C. C., White, R. D., & Varner, D. D. (2005). Prepackaging of equine semen in goblets prior to cryopreservation.. Anim Reprod Sci. 89(1-4), 248-250.
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  • Heninger, N., Staub, C., Blanchard, T., Varner, D., Love, C., Forrest, D., & Johnson, L. (2002). Apoptosis as a mechanism of germ cell loss in mature stallions. Theriogenology. 58(2-4), 373-376.
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  • Staub, C., Heninger, N. L., Donnelly, C. L., Forrest, D. W., Blanchard, T. L., Love, C. C., Varner, D. D., & Johnson, L. (2002). Apoptosis during the initiation of equine spermatogenesis. Theriogenology. 58(2-4), 367-371.
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  • Laughlin, A. M., Forrest, D. W., Varner, D. D., Blanchard, T. L., Love, C. C., Welsh, T. H., Johnson, L., & Ing, N. H. (2002). DNA microarray analysis of gene expression in testicular tissue of stallions. Theriogenology. 58(2-4), 413-415.
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  • Wendt, K. M., Love, C. C., Brinsko, S. P., Thompson, J. A., Blanchard, T. L., & Varner, D. D. (2002). Effect of extender pH on motility characteristics of cool-stored equine spermatozoa. Theriogenology. 58(2-4), 321-324.
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recent teaching activities
chaired theses and dissertations
Email
dvarner@tamu.edu
First Name
Dickson
Last Name
Varner
mailing address
Texas A&M University; Large Animal Clinical Sciences; 4475 TAMU
College Station, TX 77843-4475
USA