TY - SER AU - Stéfani,M.V.D. AU - Pereira,M.M. AU - Reche,M.R. AU - Mansano,C.F.M. TI - Fecal collection methods for the determination of protein digestibility in bullfrogs KW - COEFICIENTE DE DIGESTIBILIDADE KW - PROTEINA KW - RA KW - NUTRICAO ANIMAL ER -