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(33.39 %). There was presence of all amino acids, the highest levels were found for leucine, arginine, valine, threonine and phenylalanine. In contrast, tryptophan was the one with the lowest concentration and the lowest chemical score (0.56), resulting in the first limiting amino acid. Likewise, the isoleucine (0.70) and lysine (0.80) scores indicated that they were limiting amino acids of the biofloc that was produced. The index of biofloc essential amino acids was 0.89, which classifies as useful protein material. This study allows to conclude that the biofloc generated with Ecuadorian Pacific water presented an adequate protein quality, in terms of its amino acid composition, chemical score and essential amino acid index, so it can serve as a supplement to the balanced food for growing shrimp with biofloc technology.
Keywords: flocs, white shrimp, amino acids, bromatological composition
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