2020-03-272020-03-272009GUIMARÃES, I. G.; FALCON, D. R.; SCHICH, D.; BARROS, M. M.; PEZZATO, L. E. Digestibilidade aparente de rações contendo complexo enzimático para tilápia-do-nilo. Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Belo Horizonte, v. 61, n. 6, p. 1397-1402, 2009.e- 1678-4162http://repositorio.bc.ufg.br/handle/ri/18938Apparent digestibility (ADC) of five isoproteic and isoenergetic diets containing 0, 0.1, 0.2, 0.3, and 0.4g/kg of enzymatic complex BioEnzimaplus (lipase, protease, and carbohydrase) for Nile tilapia was evaluated. A hundred fish were randomly assigned in five feeding aquaria, and five collecting feces ones. Treatments were composed by five enzymatic complex levels arranged in a completely randomized design in five repetitions. Significant differences (P<0.05) were observed with the inclusion of enzymatic complex in the diets for ADC of crude protein and fat (linear effect). ADC of crude protein and fat varied from 81.60% to 84.94% and 74.19% to 85.69%, respectively. The highest enzyme supplementation level showed better digestibility values for carbohydrate and gross energy (57.85% and 63.78%, respectively). No difference was observed for ADC of dry matter showing values between 49.47% and 58.55%. The use of enzymes in Nile tilapia diets improved the digestibilities of protein, fat, carbohydrate, and gross energy digestibility.porAcesso AbertoPeixeEnzimaValor nutritivoCoeficiente de digestibilidadeOreochromis niloticusFishEnzymeNutritive valueDigestibility coefficientsArtigo10.1590/S0102-09352009000600020