Table 1. Composition (%, as-fed basis) of the experimental diets for starter period
Item | Starter period - (1–21 days)1) |
PC | NC-1 | NC-2 | NC-1+1X | NC-2+1X | NC-1+2X | NC-2+2X |
Corn | 46.84 | 50.54 | 46.75 | 50.52 | 46.73 | 50.49 | 46.70 |
Wheat | 8.40 | 8.40 | 8.40 | 8.40 | 8.40 | 8.40 | 8.40 |
Wheat bran | 5.68 | 5.20 | 5.68 | 5.20 | 5.68 | 5.20 | 5.68 |
Soybean meal (48%) | 32.27 | 31.77 | 32.47 | 31.77 | 32.47 | 31.77 | 32.47 |
Vegetable oil | 3.38 | 0.65 | 3.40 | 0.65 | 3.40 | 0.65 | 3.40 |
Limestone | 1.04 | 1.05 | 1.04 | 1.05 | 1.04 | 1.05 | 1.04 |
Monocal phosphorus | 0.77 | 0.76 | 0.76 | 0.76 | 0.76 | 0.76 | 0.76 |
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 | 0.29 | 0.30 | 0.24 | 0.30 | 0.24 | 0.30 | 0.24 |
DL-Methionine | 0.20 | 0.20 | 0.18 | 0.20 | 0.18 | 0.20 | 0.18 |
L-Threonine | 0.12 | 0.12 | 0.08 | 0.12 | 0.08 | 0.12 | 0.08 |
L-Cysteine | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 |
Phytase | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 |
Superzyme | 0.00 | 0.00 | 0.00 | 0.025 | 0.025 | 0.05 | 0.05 |
Cr2O3 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 |
Calculated values3) |
ME (kcal/kg) | 3,056 | 2,934 | 3,055 | 2,934 | 3,054 | 2,933 | 3,053 |
Crude prote (%) | 22.08 | 22.08 | 22.08 | 22.08 | 22.07 | 22.08 | 22.07 |
Crude fibre (%) | 3.65 | 3.69 | 3.65 | 3.69 | 3.65 | 3.69 | 3.65 |
NSP (%) | 9.93 | 9.95 | 9.95 | 9.95 | 9.95 | 9.94 | 9.95 |
Calcium (%) | 0.73 | 0.73 | 0.73 | 0.73 | 0.73 | 0.73 | 0.73 |
Available phosphorus (%) | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 |
Lysine (%) | 1.34 | 1.34 | 1.31 | 1.34 | 1.31 | 1.34 | 1.31 |
Methionine (%) | 0.54 | 0.54 | 0.51 | 0.54 | 0.51 | 0.54 | 0.51 |
Methionine+cysteine (%) | 0.91 | 0.91 | 0.88 | 0.91 | 0.88 | 0.91 | 0.88 |
dLysine | 1.15 | 1.15 | 1.12 | 1.15 | 1.12 | 1.15 | 1.12 |
dMethionine | 0.48 | 0.48 | 0.45 | 0.48 | 0.45 | 0.48 | 0.45 |
dThreoine | 0.77 | 0.77 | 0.74 | 0.77 | 0.74 | 0.77 | 0.74 |
dMethionine+Cysteine | 0.87 | 0.87 | 0.84 | 0.87 | 0.84 | 0.87 | 0.84 |
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 (FeSO4٠H2O), 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]٠2H2O), 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, 30mg.
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.