Abstract:The present study aimed to evaluate pacu (Piaractus mesopotamicus) diets and determine the apparent digestibility at different levels of phosphorus using the feces collection method with an intestinal dissection marker. A total of 320 pacu with average weights of 768.5±36.34 g were used, and they were distributed in four 5 m³ net cages. The fish were fed isonitrogenous (27%), isoenergetic (3000 kcal/kg) and isocalcium (1.50%) diets with total phosphorus levels of 0.6, 0.8, 1.0 and 1.2%. The fish were incised w… Show more
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