LIU, Z.; WU, G.; BRYANT, M.M.; SR., D.A. Roland. Influence of Added Synthetic Lysine for First Phase Second Cycle Commercial Leghorns with the Methionine+Cysteine/Lysine Ratio Maintained at 0.75. International Journal of Poultry Science, Pakistan, v. 3, n. 3, p. 220–227, 2004. DOI: 10.3923/ijps.2004.220.227. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/170. Acesso em: 23 sep. 2025.