Souto, C.N. Lemos, M.V.A. de Martins, G.P. Araújo, J.G. Lopes, K.L. de A.M. Guimarães, I.G. Protein to energy ratios in goldfish (Carassius auratus)diets Subjects--Topical Terms: PISCICULTURAPEIXE ORNAMENTALRAÇÃO