ASUQUO, B. O. .; OKON, B. . Effects Of Age In Lay And Egg Size On Fertility And Hatchability Of Chicken Eggs. Nigerian Journal of Animal Production, [S. l.], v. 20, p. 122–124, 2021. DOI: 10.51791/njap.v20i.2128. Disponível em: https://njap.org.ng/index.php/njap/article/view/2128. Acesso em: 18 sep. 2025.