PIETSCH, C.; OATES, S.; HESS, J.; BERRY, W. Effects of Early Maturation on Growth, Fertility and Testosterone Levels in Broiler Breeder Males. International Journal of Poultry Science, Pakistan, v. 7, n. 3, p. 207–210, 2008. DOI: 10.3923/ijps.2008.207.210. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/931. Acesso em: 21 sep. 2025.