Ractopamine supplementation improves leanness and carcass yield, minimally affecting pork quality in immunocastrated pigs. Scientia Agricola, [S. l.], v. 75, n. 3, p. 197–207, 2018. DOI: 10.1590/1678-992x-2016-0321. Disponível em: https://www.revistas.usp.br/sa/article/view/142946.. Acesso em: 5 may. 2024.