Bertan, Claudia Maria, Mario Binelli, and Ed Hoffmann Madureira. “Estrous Characterization in Cross-Bred Heifers (Bos Taurus Indicus X Bos Taurus Taurus) by Radiotelemetry”. Brazilian Journal of Veterinary Research and Animal Science 43, no. 6 (December 1, 2006): 816–823. Accessed May 7, 2024. https://revistas.usp.br/bjvras/article/view/26562.