Associate Professor, Section of Reproduction & Behavior, University of Pennsylvania School of Veterinary Medicine

Interim Section Chief - Reproduction & Behavior, New Bolton Center

Director, Frozen Stallion Semen Program at the Hofmann Center for Reproductive Studies, New Bolton Center, University of Pennsylvania, School of Veterinary Medicine

Diplomate, American College of Theriogenologists.

Clinical Specialties: Reproduction
Research Areas: Equine sperm motility, Spermatogenesis, Stallion infertility

Contact Information:
University of Pennsylvania
School of Veterinary Medicine
New Bolton Center
Department of Clinical Studies
Room 146 Myrin Building
 Phone 610-925-6227
 Fax 610-925-6804
 Email rmturner@vet.upenn.edu

Stallion infertility
Idiopathic testicular degeneration
Ultrasonography of the stallion reproductive tract

Molecular biology
Sperm motility
Cell signaling
Computer assisted sperm motility analysis
Male infertility
Stallion infertility
Idiopathic testicular degeneration

Knobbe, M.G., Levine, D.G., Habecker, P.L., Beech, J., and Turner, R.M.*(*senior and corresponding author) Prostatic masses in geldings. Two cases. Journal of Equine Veterinary Science 32: 628-633, 2012.

Turner, R.M.* and Zeng, W. (*senior and corresponding author) The emerging pathophysiology of age-related testicular degeneration with a focus on the stallion and an update on potential therapies. Reproduction in Domestic Animals 47 (Suppl. 4): 178-186, 2012.

Brito, L.F., Greene, L.M., Kelleman, A., Knobbe, M., and Turner, R.M. Effect of method and clinician on sperm morphology evaluation in stallions. Theriogenology 76: 745-750, 2011.

Knobbe, M.G., Maenhoudt, C., Turner, R.M., and McDonnell, S.M. Two Standardbred 64XY, SRY positive intersex cases identified as a result of high post-race testosterone concentrations in Pennsylvania. Journal of the American Veterinary Medical Association 238: 751-754, 2011.

Turner, R.M., Rathi, R., Honaramooz, A., Zeng, W., and Dobrinski, I. Xenografting restores spermatogenesis to cryptorchid testicular tissue but does not rescue the phenotype of testicular degneration. Reproduction, Fertility and Development 22: 673 – 683, 2010.

Brito, L., Engiles, J., Turner, R.M., Getman, L., and Ebling, A. Bilateral testicular mixed germ cell-sex cord-stromal tumors in a stallion Reproduction in Domestic Animals 44: 846-851, 2009.

Brito, L., Sertich, P.L., Durkin, K., Chowdhary, B.P., Turner, R.M., Greene, L.G., and McDonnell, S.M. Autosomic 27 trisomy in a Standardbred colt Journal of Equine Veterinary Science 28: 431-436, 2008.

Turner, R.M. and McDonnell, S.M. Mounting Expectations for Thoroughbred Stallions. Journal of the American Veterinary Medical Association 230: 1458 – 1460, 2007.

Schlingmann, K., Michaut, M., McElwee, J., Wolff, C.A., Travis, A.J., and Turner, R.M. Calmodulin and CaMKII in the sperm principal piece: Evidence for a motility-related calcium/calmodulin pathway. Journal of Andrology 28: 706 – 716, 2007.

Rathi, R., Honaramooz, A., Zeng, W., Turner, R.M., and Dobrinski, I. Germ Cell Development in Equine Testis Tissue Xenografted into Mice. Reproduction 131: 1091 – 1098, 2006.

B.A. (Biology) LaSalle University, Philadelphia, Pennsylvania. Graduated Maxima cum laude with Honors; Dean's List all semesters, 1985

V.M.D. (Veterinary Medicine) University of Pennsylvania, Philadelphia, Pennsylvania. , 1989

Ph.D. (Cell and Molecular Biology) University of Pennsylvania, Philadelphia, Pennsylvania, 1999