TYAGI, S; MATHUR, A K; AGARWAL, S C. Semen production performance of Frieswal bulls. The Indian Journal of Animal Sciences, Delhi, India, v. 70, n. 10, 2014. Disponível em: https://epubs.icar.org.in/index.php/IJAnS/article/view/36239. Acesso em: 23 oct. 2025.