GHAFOOR, Aamir; NASEEM, Shamoon; YOUNUS, M.; NAZIR, Jawad. Immunomodulatory Effects of Multistrain Probiotics (Protexin™) on Broiler Chicken Vaccinated Against Avian Influenza Virus (H9). International Journal of Poultry Science, Pakistan, v. 4, n. 10, p. 777–780, 2005. DOI: 10.3923/ijps.2005.777.780. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/430. Acesso em: 23 sep. 2025.