NWOKORO, SMART O. The combined methionine and cystine requirement of growing cockerels in the tropics. The Indian Journal of Animal Sciences, Delhi, India, v. 71, n. 3, 2014. Disponível em: https://epubs.icar.org.in/index.php/IJAnS/article/view/36519. Acesso em: 23 oct. 2025.