1. Laboratory of Aquaculture and Aquatic Ecology; Federal University of the Jequitinhonha and Mucuri Valleys; Diamantina MG Brazil
2. Federal University of Jequitinhonha and Mucuri Valleys, ICA; Unaí MG Brazil
3. Laboratory of Nutrition of Aquatic Organisms; Federal University of Viçosa; Viçosa MG Brazil