“…Many authors believe that, due to the similarity of this protein source with the raw material, especially amino acids, such as lysine, methionine, and cystine, silage has a high potential of use in aquaculture. Its low cost, especially when compared to fish meal is also attractive (Borghesi et al, 2006a, b;Coello et al, 2000;Fagbenro andJauncey, 1995, 1998;Ferraz de Arruda and Oetterer, 2005;Ferraz de Arruda et al 2006a, b;Goddard and Perret, 2005;Lessi et al, 1989;Ristic et al, 2002;Vidotti et al, 2003). The objective of this study was to use the waste of fermented sardines from a fish industry in Ubatuba-SP-Brazil.…”