BATEMAN, Andrew; ROLAND, SR., D.A.; BRYANT, M. Optimal Methionine + Cysteine / Lysine Ratio for First Cycle Phase 1 Commercial Leghorns. International Journal of Poultry Science, Pakistan, v. 7, n. 10, p. 932–939, 2008. DOI: 10.3923/ijps.2008.932.939. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/1059. Acesso em: 23 sep. 2025.