Apparent digestibility of protein and energy sources for “Trichogaster leeri”

Abstract

The experiment was conducted to determine the apparent digestibility (CAD) the dry matter (DM), gross energy (GE) and crude protein (CP) for fish meal (FM), meat and bone meal (MBM), soybean meal (SM), corn meal (CM) and wheat bran (WB) for Trichogaster leeri. It used 20 fish/tank of cylindrical shape with conical bottom, of 100 liters. CDA analysis was done through the method of total collection of feces. Average water temperature, dissolved oxygen and pH were 25,0 ± 1,13 oC; 3,91 ± 0,91mg/L e 5,22 ± 0,87, respectively. CAD of CP, GE and DM were 68,63, 89,25 and 87,30 for FM; 54,90, 65,95 and 80,62 for MBM; 60,13, 82,19 and 85,46 for SM; 39,30, 89,87 and 89,74 for CM; 22,5,17,45 and 19,54 for WB, respectively.