SALAMON , Attila; KENT, John P. Orientation of the Egg at Laying - Is the Pointed or the Blunt End First?. International Journal of Poultry Science, Pakistan, v. 13, n. 6, p. 316–318, 2014. DOI: 10.3923/ijps.2014.316.318. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/2054. Acesso em: 21 sep. 2025.