GEORGE, V.; BAWA, G.; NYARKO, M.; MALLAM, I. Effect of methionine type and levels on performance of broiler chicken. Nigerian Journal of Animal Science, [S. l.], v. 21, n. 2, p. 247–252, 2023. Disponível em: https://njas.org.ng/index.php/php/article/view/1014. Acesso em: 26 may. 2026.