Effectiveness of nano-selenium and astaxanthin and their mixture added to the diet in the liver histological traits of broiler. Euphrates journal of agricultural science, [S. l.], v. 15, n. 3, p. 304–314, 2023. Disponível em: https://ejs-agri.com/index.php/EJAS/article/view/137. Acesso em: 12 nov. 2026.