AMEN, Mahmood H.M.; AL-DARAJI, Hazim J. Influence of Dietary Supplementation with Zinc on Sex Hormones Concentrations of Broiler Breeder Chickens. Pakistan Journal of Nutrition, Pakistan, v. 10, n. 11, p. 1089–1093, 2011. DOI: 10.3923/pjn.2011.1089.1093. Disponível em: https://pjnonline.org/pjn/article/view/1541. Acesso em: 15 aug. 2025.