Stallion Behavior and Endocrinology: What Do We Really Know?

Sue M. McDonnell, PhD

    Housing arrangements and social environment need to be considered as a primary therapeutic approach for stallions with chronically low libido and associated low testosterone concentrations. Testosterone concentrations and sexual and aggressive behavior of stallions clearly increase with sexual activity and exposure to mares.

Authorís address: New Bolton Center, School of Veterinary Medicine. University of Pennsylvania, 382 West Street Rd., Kennett Square, PA 19348-1692.