David Ruales, C.A. and Vásquez Torres, W. 2014. Dietary protein and body mass affect ammonium excretion in white cachama (Piaractus brachypomus). Revista Colombiana de Ciencias Pecuarias. 27, 2 (Apr. 2014), 121–132. DOI:https://doi.org/10.17533/udea.rccp.324885.