Augusto, Celso, Francisco Gacek, and Rinaldo Artes. “Seasonal Variations in Stallion Sperm Features and Their Relationship With Fertility of the Breeding Stock”. Brazilian Journal of Veterinary Research and Animal Science 34, no. 3 (June 1, 1997): 167–172. Accessed May 29, 2024. https://revistas.usp.br/bjvras/article/view/50288.