Gonadal and extragonadal sperm reserves in two breeds of mature zebu (Bos indicus) bulls in Ethiopia. Tropical Agriculture, [S. l.], v. 69, n. 3, 1992. Disponível em: https://journals.sta.uwi.edu/ojs/index.php/ta/article/view/4827. Acesso em: 25 apr. 2025.