GHAREEB, K.; AWAD, W.A.; NIEBUHR, K.; BOHM, J.; TROXLER, J. Individual Differences in Fear and Social Reinstatement Behaviours in Laying Hens. International Journal of Poultry Science, Pakistan, v. 7, n. 9, p. 843–851, 2008. DOI: 10.3923/ijps.2008.843.851. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/1039. Acesso em: 21 sep. 2025.