LANG, X. .; WANG, C. . Effect of age on small intestinal enzyme activities in grazing sheep. Scientific Journal of Animal Science, [S. l.], v. 3, n. 3, p. 70-80, 2014. Disponível em: http://sjournals.com/index.php/sjas/article/view/840. Acesso em: 23 jul. 2024.