OLOYO, R. A. . Niacin requirement of broilers fed maize - palm kernel meal based diets . Nigerian Journal of Animal Production, [S. l.], v. 29, n. 1, p. 27–33, 2021. DOI: 10.51791/njap.v29i1.1499. Disponível em: https://njap.org.ng/index.php/njap/article/view/1499. Acesso em: 4 aug. 2026.