The objective of this research was to evaluate the effects of different crude fiber and soybean oil levels in diets for Tilapia Nile. Twenty-four circular fishbowls of 250 liters, with an individual system of water replenishment and heating, were used. The stocking rate was of seven fishes/fishbowl, totalizing 168 fishes, with average initial weight of 6.41±0.05 g. Weight gain, apparent feed:gain ratio, specific growing rate and protein efficiency rate were evaluated. The chemical composition and carcass yield, eviscerated carcass and […]