AKINOLA, L. A. F.; OBENE, C. I. Influence of feeding different calcium levels in layers diet on the mineral content ofthe eggs and shells . Nigerian Journal of Animal Production, [S. l.], v. 45, n. 1, p. 156–163, 2020. DOI: 10.51791/njap.v45i1.333. Disponível em: https://www.njap.org.ng/index.php/njap/article/view/333. Acesso em: 5 jun. 2026.