KHOSRAVI, Ali; BOLDAJI, Fathollah; DASTAR, Behrouz; HASANI, Saeed. Immune Response and Performance of Broiler Chicks Fed Protexin and Propionic Acid. International Journal of Poultry Science, Pakistan, v. 9, n. 2, p. 188–191, 2010. DOI: 10.3923/ijps.2010.188.191. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/1376. Acesso em: 23 sep. 2025.