MIR, M A; CHAKRAVARTY, A K; NAHA, B C; JAMUNA, V; PATIL, C S; SINGH, A P. Optimizing age at first freezing in relation to fertility of Murrah breeding bulls. The Indian Journal of Animal Sciences, Delhi, India, v. 85, n. 7, p. 719–722, 2015. DOI: 10.56093/ijans.v85i7.50259. Disponível em: https://epubs.icar.org.in/index.php/IJAnS/article/view/50259. Acesso em: 26 oct. 2025.