HAMMED, O. O. Evaluation of reproductive hormones and sperm characteristics of five strains of male broiler chicken raised in the derived savanna zone of Nigeria. Nigerian Journal of Animal Production, [S. l.], v. 49, n. 1, p. 107–114, 2022. DOI: 10.51791/njap.v49i1.3408. Disponível em: https://njap.org.ng/index.php/njap/article/view/3408. Acesso em: 16 aug. 2026.