EL-SAFTY, S.A.; ALI, U.M.; FATHI, M.M. Immunological Parameters and Laying Performance of Naked Neck and Normally Feathered Genotypes of Chicken under Winter Conditions of Egypt. International Journal of Poultry Science, Pakistan, v. 5, n. 8, p. 780–785, 2006. DOI: 10.3923/ijps.2006.780.785. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/622. Acesso em: 21 sep. 2025.