GLATZ, P.C. The Effect of Beak Length and Condition on Food Intake and Feeding Behaviour of Hens. International Journal of Poultry Science, Pakistan, v. 2, n. 1, p. 53–57, 2002. DOI: 10.3923/ijps.2003.53.57. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/59. Acesso em: 22 sep. 2025.