YAKUBU, A.; SALAKO, A.E.; IGE, A.O. Effects of Genotype and Housing System on the Laying Performance of Chickens in Different Seasons in the Semi-Humid Tropics. International Journal of Poultry Science, Pakistan, v. 6, n. 6, p. 434–439, 2007. DOI: 10.3923/ijps.2007.434.439. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/787. Acesso em: 22 sep. 2025.