Table 1.
Diet composition and nutrient levels during the experiment (basal diets in dry basis).
| Items | 0–21 Days | 22–42 Days |
|---|---|---|
| Ingredients (%) | ||
| Corn | 54.6 | 60.4 |
| Soybean meal | 35.2 | 30.2 |
| Corn gluten meal | 3.18 | 2.0 |
| Soybean oil | 2.65 | 3.52 |
| Calcium hydrogen phosphate | 2.0 | 1.65 |
| Limestone | 1.25 | 1.25 |
| NaCl | 0.35 | 0.35 |
| Mineral premix 1 | 0.2 | 0.2 |
| Vitamin premix 2 | 0.03 | 0.025 |
| Aureomycin | 0.03 | 0.03 |
| Choline chloride (50%) | 0.26 | 0.2 |
| L-lysine (78%) | 0.08 | 0.075 |
| Methionine | 0.17 | 0.1 |
| Energy and nutrient composition | ||
| Calculated values 3 | ||
| ME (Mcal/kg) | 2.95 | 3.05 |
| Crude protein (%) | 22.28 | 19.78 |
| Crude fat (%) | 5.40 | 6.30 |
| Ca (%) | 1.17 | 1.05 |
| Available phosphorus (%) | 0.59 | 0.51 |
| Lys (%) | 1.18 | 1.04 |
| Met (%) | 0.50 | 0.40 |
| Analyzed values | ||
| Crude protein (%) | 21.51 | 19.23 |
| Crude fat (%) | 5.23 | 6.16 |
| Ca (%) | 1 | 0.91 |
| Available phosphorus (%) | 0.46 | 0.4 |
| Lys (%) | 1.15 | 1.01 |
| Met (%) | 0.50 | 0.40 |
1 The mineral premix contents (mg/kg) were as follows: Fe, 80; Mn, 100; Cu, 8; Zn, 75; Se, 0.15; I, 0.35. 2 The vitamin premix provides the following per kg of diet: vitamin A, 12500 IU; vitamin D3, 2500 IU; vitamin E, 30 IU; Vitamin K3, 2.65 mg; vitamin B1, 2 mg; vitamin B2, 6 mg; vitamin B3, 50 mg; vitamin B5, 12 mg; vitamin B7, 0.0325 mg; vitamin B9, 1.25 mg; vitamin B12, 0.025 mg. 3 The values are calculated according to the values of feedstuffs in NRC (1994).