SOLIMAN, M. A.; GENDY, H. E.; HANBALLY, S. E. Effects of calf thymus extract and L-carnitine on immunity and growth performance of broiler chickens. International Journal of Scientific Reports, [S. l.], v. 6, n. 2, p. 45–52, 2020. DOI: 10.18203/issn.2454-2156.IntJSciRep20200194. Disponível em: https://www.sci-rep.com/index.php/scirep/article/view/652. Acesso em: 13 nov. 2025.