Flour from the fruit pulp of Mauritia flexuosa in diets for Colossoma macropomum

Abstract

Yield and chemical composition of the buriti pulp (Mauritia flexuosa) and the zootechnical performance of juvenile tambaqui (Colossoma macropomum) fed on diets with fruit pulp flour inclusion levels. Fruits were collected in Mirante da Serra RO Brazil) in July 2018, measured (longitudinal and transversal diameter) and weighed. Assay featuring 64 juveniles with mean body weight 213.4 ± 17.7g, was totally randomized to verify zootechnical performance. They were fed for 33 days with supplemented diets at three buriti pulp levels (0, 5, 10 and 20%). Pulp yielded 22.37% and 70.78% humidity and pulp flour yielded had 4.22% humidity, 2.6% ashes, 4.88% crude protein, 25.63% lipids, 55.56 % fiber in neutral detergent, 32.43% fiber in acid detergent, 11.33% non-fibrous carbohydrates and 0.0409% ascorbic acid, maintaining its features as functional food. There were no statistical differences in variables of zootechnical performance (p>0.05) among treatments. M. flexuosa pulp flour in inclusion concentrations is an alternative for the diet of C. macropomum.