Aloízio Soares Ferreira, Gregório Murilo de Oliveira Júnior, Francisco Carlos de Oliveira Silva, Rita Flávia Miranda de Oliveira, and Edney Pereira da Silva. “Ractopamine for Pigs: A Review about Nutritional Requirements”. Journal of Basic & Applied Sciences 9 (January 5, 2013): 276–285. Accessed December 23, 2024. http://set-publisher.com/index.php/jbas/article/view/1008.