<b>Dietary energy: protein ratio for <em>Macrobrachium amazonicum</em> (Crustacea, Decapoda)</b>- DOI: 10.4025/actascianimsci.v25i2.1979

Abstract

This experiment was conducted at the Aquatic Nutrition Organisms Laboratory (AquaNutri), integrated unit to CaUnesp. The aim of this study was to evaluate the growth performance of Macrobrachium amazonicum (Crustacea, Decapoda), post larvae. Post larvae were fed diet containing different levels of protein and energy. A factorial experiment with three levels of protein (30.0; 35.0 and 40.0 crude protein) and two levels of energy (3200 and 3600 gross energy kcal/kg) was carried out on a completely randomly design, with five replicates. 360 post larvae were randomly stocked, average weight of 280±12mg, into 30 aquaria, 80L each aquarium. Albumin-gelatin diet was used. Weight gain, feed conversion and survival rate were determined after 60 days. It was possible to conclude that a diet with levels of 35.0% CP and 3600kcal GE/kg determined the best weight gain and apparent feed conversion rate; the highest survival rate was obtained with 30.0% CP and 3600 GE kcal/kg and it seems that the best growth performance of Macrobrachium amazonicum was obtained when the energy: protein ratio was 10.28:1.0.