Effect of nano-capsule of black cumin (Nigella sativa L.) seeds extract on broiler performance, intestinal micro flora and immune organs index. Journal of Genetic and Environment Conservation, [S. l.], v. 6, n. 3, p. 34–40, 2025. DOI: 10.63799/. Disponível em: https://gercj.com/index.php/gercj/article/view/140. Acesso em: 9 jul. 2026.