Romano, Marco Aurélio, Raul Gastão Mucciolo, and Antonio Emídio Dias Feliciano e Silva. “Reproductive Biology of the Mare: Oestrous Cycle and Ovulation Time”. Brazilian Journal of Veterinary Research and Animal Science 35, no. 1 (January 1, 1998): 25–28. Accessed May 3, 2024. https://www.revistas.usp.br/bjvras/article/view/5665.