ATTIA, Y.A.; HASSAN, R.A.; SHEHATTA, M.H.; EL-HADY, Slawa B. Abd. Growth, Carcass Quality and Serum Constituents of Slow Growing Chicks as Affected by Betaine Addition to Diets Containing 2. Different Levels of Methionine. International Journal of Poultry Science, Pakistan, v. 4, n. 11, p. 856–865, 2005. DOI: 10.3923/ijps.2005.856.865. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/443. Acesso em: 21 sep. 2025.