KHATKAR, M S; SANDHU, J S; BRAH, G S; CHAUDHARY, M L. Efficiency of sampling procedures for genetic improvement of shell quality by specific gravity in layer chickens. The Indian Journal of Animal Sciences, Delhi, India, v. 68, n. 6, 2012. Disponível em: https://epubs.icar.org.in/index.php/IJAnS/article/view/20932. Acesso em: 24 oct. 2025.