BULMER, Elena; GIL, Diego. Chronic Stress in Battery Hens: Measuring Corticosterone in Laying Hen Eggs. International Journal of Poultry Science, Pakistan, v. 7, n. 9, p. 880–883, 2008. DOI: 10.3923/ijps.2008.880.883. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/1044. Acesso em: 21 sep. 2025.