NDUBUISI, E.C.; IHEUKWUMERE, F.C.; ETUSIM, P.E. Diurnal Effects of Periodic Litter Change on Egg Production and Physical Qualities in a Deep Litter System . International Journal of Poultry Science, Pakistan, v. 7, n. 2, p. 151–155, 2008. DOI: 10.3923/ijps.2008.151.155. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/920. Acesso em: 22 sep. 2025.