VAZ, A. C. N.; ALBUQUERQUE, R. de; BRISOLA, M. L.; DONATO, D. C. Z.; GARCIA, P. D. S. R. Effect of phytase supplementation with different levels of crude protein and available phosphorum on performance and crude protein excretion of broiler chickens. Brazilian Journal of Veterinary Research and Animal Science, [S. l.], v. 46, n. 2, p. 107-111, 2009. DOI: 10.11606/issn.1678-4456.bjvras.2009.26756. Disponível em: https://www.revistas.usp.br/bjvras/article/view/26756. Acesso em: 25 sep. 2022.