Cafeína para peixe de corte

Abstract

Caffeine is a substance capable of acting on energy metabolism, resulting in a greater oxidation of adipose tissue. In this work, it was evaluated the influence of caffeine in feeding Tambacu hybrid (female Colossoma macropomum X male of Piaractus mesopotamicus) on the yield and composition of the carcasses of these animals. Two experiments were carried out at the Federal Institute of science and technology - Campus - Alegre, with a duration of 35 days per experimental period. Both experiments were performed in a completely randomized design (DIC), with four treatments T1 = 0.00; T2 = 0.16; T3 = 0.32 and T4 = 0.48g of caffeine / kg of feed and five replicates, with ten animals each. Isocaloric diets 3100Kcal of DE and isoproteic 32% of CP. The animals were randomly distributed in 20 net’s tanks of 1 m², experimental units, equipped with feeders and lids. During the experimental period, the animals were fed three times a day (08:00h, 12:00h. and 16:00h), and 2% of the animals' biomass were offered. The variables used to quantify the effect of these substances were: yield and chemical composition of the carcass. During the experimental period the physicalchemical characteristics of the water were also analyzed. Based on the results obtained, it is concluded that caffeine can be added in the diet for Tambacu and Nile Tilapia, at doses of 0.14 g / kg of feed, for up to 14 days and 0.16 g / kg of feed, in the period of 16 days, respectively.