Table 2. Composition (%, as-fed basis) of the experimental diets for grower period

Item Grower diet (22–35 days)1)
PC NC-1 NC-2 NC-1+1X NC-2+1X NC-1+2X NC-2+2X
Corn 55.50 58.87 55.60 58.85 55.58 58.82 55.55
Wheat 8.34 8.71 8.34 8.71 8.34 8.71 8.34
Wheat bran 2.98 2.50 2.74 2.50 2.74 2.50 2.74
Soybean meal (48%) 26.25 25.68 26.51 25.68 26.51 25.68 26.51
Vegetable oil 3.78 1.07 3.78 1.07 3.78 1.07 3.78
Limestone 0.95 0.96 0.95 0.96 0.95 0.96 0.95
Monocal phosphorus 0.57 0.56 0.57 0.56 0.57 0.56 0.57
Salt 0.30 0.30 0.30 0.30 0.30 0.30 0.30
Vit-Min premix2) 0.30 0.30 0.30 0.30 0.30 0.30 0.30
Lysine-HCl 0.31 0.32 0.27 0.32 0.27 0.32 0.27
DL-Methionine 0.19 0.18 0.15 0.18 0.15 0.18 0.15
L-Threonine 0.12 0.13 0.08 0.13 0.08 0.13 0.08
L-Cysteine 0.11 0.11 0.10 0.11 0.10 0.11 0.10
Phytase 0.01 0.01 0.01 0.01 0.01 0.01 0.01
Superzyme 0.00 0.00 0.00 0.03 0.03 0.05 0.05
Cr2O3 0.30 0.30 0.30 0.30 0.30 0.30 0.30
Calculated values3)
 ME (kcal/kg) 3,200 3,079 3,201 3,078 3,200 3,077 3,199
 Crude protein (%) 19.50 19.50 19.50 19.50 19.50 19.50 19.50
 Crude fibre (%) 3.42 3.48 3.40 3.48 3.40 3.48 3.40
 NSP (%) 8.82 8.84 8.79 8.84 8.79 8.84 8.79
 Calcium (%) 0.64 0.64 0.64 0.64 0.64 0.64 0.64
 Available phosphorus (%) 0.25 0.24 0.25 0.24 0.25 0.24 0.25
 Lysine (%) 1.19 1.19 1.16 1.19 1.16 1.19 1.16
 Methionine (%) 0.48 0.48 0.45 0.48 0.45 0.48 0.45
 Methionine+Cysteine (%) 0.81 0.81 0.78 0.81 0.78 0.81 0.78
dLysine 1.03 1.03 1.00 1.03 1.00 1.03 1.00
dMethionine 0.43 0.43 0.40 0.43 0.40 0.43 0.40
dThreoine 0.69 0.70 0.66 0.70 0.66 0.70 0.66
PC, nutrient sufficient diet; NC-1, 120 kcal/kg, reduce energy diet; NC-2, 3%, digestible amino acid reduced diet; 1X, 0.025% superzyme-CS addition; 2X, 0.05% superzyme-CS addition.
Supplied per kilogram of total diets: Fe (FeSO4·H2O), 80 mg; Zn (ZnSO4·H2O), 80 mg; Mn (MnSO4·H2O), 80 mg; Co (CoSO4·H2O), 0.5 mg; Cu (CuSO4·H2O), 10 mg; Se (Na2SeO3), 0.2 mg; I (Ca[IO3]·2H2O), 0.9 mg; vitamin A, 24,000 IU; vitamin D3, 6,000 IU; vitamin E, 30 IU; vitamin K, 4 mg; thiamin, 4 mg; riboflavin, 12 mg; pyridoxine, 4 mg; folacine, 2mg; biotin, 0.03 mg; vitamin B8, 0.06 mg; niacin, 90 mg; pantothenic acid, 30 mg.
The values were calculated according to the values of feedstuffs in NRC [43].
PC, positive control; NC, negative control; ME, metabolizable energy; NSP, non-starch polysaccharides.