Evaluation of yeast culture and direct-fed microbial on gut histology and serum components of broilers challenged with suboptimal diets under heat stress. Acta Scientiarum. Animal Sciences, [S. l.], v. 42, n. 1, p. e46828, 2019. DOI: 10.4025/actascianimsci.v42i1.46828. Disponível em: https://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/46828. Acesso em: 1 jun. 2026.