WALDROUP, P.W.; JIANG, Q.; FRITTS, C.A. Effects of Glycine and Threonine Supplementation on Performance of Broiler Chicks Fed Diets Low in Crude Protein. International Journal of Poultry Science, Pakistan, v. 4, n. 5, p. 250–257, 2005. DOI: 10.3923/ijps.2005.250.257. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/344. Acesso em: 22 sep. 2025.