OXENBOLL, K.M.; PONTOPPIDAN, K.; FRU-NJI , F. Use of a Protease in Poultry Feed Offers Promising Environmental Benefits. International Journal of Poultry Science, Pakistan, v. 10, n. 11, p. 842–848, 2011. DOI: 10.3923/ijps.2011.842.848. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/1710. Acesso em: 22 sep. 2025.