Appraisal of purple coneflower (Echinacea purpurea) extract on production performance, internal organs, and gut microflora of japanese quail. Acta Scientiarum. Animal Sciences, [S. l.], v. 40, n. 1, p. e37230, 2017. DOI: 10.4025/actascianimsci.v40i0.37230. Disponível em: https://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/37230. Acesso em: 30 maio. 2026.