Table 1.
Composition and nutrient levels of the basal diet (air-dry basis)
| Items | Starter (0 to 21 d) | Finisher (22 to 42 d) |
|---|---|---|
| Ingredients (%) | ||
| Corn | 57.30 | 61.60 |
| Soybean meal | 37.80 | 33.50 |
| Soybean oil | 1.90 | 2.50 |
| Salt | 0.30 | 0.30 |
| Limestone | 1.65 | 1.58 |
| Choline chloride | 0.10 | 0.10 |
| CaHPO4 | 0.44 | 0.15 |
| Vitamin premix1) | 0.02 | 0.02 |
| Mineral premix2) | 0.20 | 0.20 |
| L-lysine | 0.08 | 0.02 |
| DL-methionine | 0.19 | 0.10 |
| Phytase | 0.02 | 0.02 |
| Total | 100.00 | 100.00 |
| Nutrient composition (%) | ||
| Crude protein | 21.50 | 20.05 |
| Calcium | 1.02 | 0.91 |
| Available phosphorus | 0.46 | 0.41 |
| Lysine | 1.15 | 1.00 |
| Methionine | 0.52 | 0.42 |
| Methionine+cysteine | 0.85 | 0.77 |
| Threonine | 0.88 | 0.81 |
| Tryptophan | 0.29 | 0.27 |
| Apparent metabolizable energy (MJ/kg) | 12.57 | 12.99 |
1)
Vitamin premix (per kilogram of diet): vitamin A, 12,000 IU; vitamin D3, 2,000 IU; vitamin E, 20.75 mg; vitamin K3, 2.65 mg; vitamin B1, 2 mg; vitamin B2, 5 mg; vitamin B6, 2 mg; vitamin B12, 0.025 mg; biotin, 0.0325 mg; folic acid, 1.25 mg; pantothenic acid, 12 mg; niacin, 50 mg.
2)
Mineral premix (per kilogram of diet): Mn, 100 mg; I, 0.35 mg; Se, 0.15 mg; Zn, 75 mg; Cu, 8 mg; Fe, 80 mg; Co, 0.2 mg.