Ractopamine for Pigs: A Review about Nutritional Requirements . Journal of Basic & Applied Sciences, [S. l.], v. 9, p. 276–285, 2013. DOI: 10.6000/1927-5129.2013.09.36. Disponível em: https://setpublisher.com/index.php/jbas/article/view/1008. Acesso em: 17 jun. 2026.