Table 1. Formulation and chemical compositions of diets (as fed basis) Item Control ESBM 5% ESBM 10% ESBM 15% Ingredient (%) Corn 61.57 59.94 60.05 60.06 Soybean meal 12.07 12.63 6.45 0.38 Wheat short 10.00 10.00 10.00 10.00 Fish meal 5.81 5.81 5.81 5.81 Soy protein isolate 4.00 0 0 0 Enzymolytic soybean meal (ESBM) 0 5.00 10.00 15.00 Limestone 2.32 2.40 2.79 2.49 Sucrose 2.00 2.00 2.00 2.00 Dextrose 1.00 1.00 1.00 1.00 Mineral/vitamin premix1 1.00 1.00 1.00 1.00 Lysine 0.16 0.16 0.17 0.18 Threonine 0.02 0.01 0 0 Bone meal 0 0 0.68 1.20 Salt 0 0 0 0.83 Titanium dioxide 0.05 0.05 0.05 0.05 Nutrient level (%) Digestible energy (MJ/kg) 13.66 13.66 13.66 13.66 Analysed crude protein 19.01 18.99 19.01 19.04 Analysed Ca 0.79 0.81 0.81 0.80 Analysed P 0.74 0.74 0.73 0.74 Lysine 1.22 1.22 1.22 1.22 Methionine 0.43 0.43 0.43 0.43