Table 2.
The ingredient and nutrient composition of the basal diet (% as fed basis).
| Component | Days 1–21 | Days 22–42 |
|---|---|---|
| Ingredient (%) | ||
| Corn | 55.60 | 55.20 |
| Soybean meal (CP, 44%) | 29.00 | 24.00 |
| Cottonseed meal | 2.50 | 3.00 |
| Wheat flour | 4.00 | 4.00 |
| Hydrolyzed feather meal | 1.50 | 1.50 |
| Dicalcium phosphate (16.5%) | 0.90 | 0.80 |
| Limestone powder | 1.50 | 1.50 |
| Bentonite | 1.00 | 1.00 |
| Soy oil | 2.00 | 7.00 |
| Premix1 | 2.00 | 2.00 |
| Total | 100.00 | 100.00 |
| Calculation of nutrients2 | ||
| Metabolizable energy, kcal/kg | 2894 | 3212 |
| Crude protein, % | 21.50 | 19.51 |
| Calcium, % | 0.96 | 0.84 |
| Total phosphorus, % | 0.66 | 0.55 |
| Lysine, % | 1.45 | 1.40 |
| Methionine, % | 0.54 | 0.50 |
| Threonine, % | 0.91 | 0.80 |
1
The premix provided the following per kilogram of diet: VA, 6,000 IU; VD3, 2,000 IU; VE, 30 mg; VK3, 2 mg; VB1, 3 mg; VB2, 5 mg; pantothenic acid, 800 mg; choline chloride 1,500 mg; nicotinic acid, 30 mg; pyridoxine, 3 mg; folic acid, 500 mg; biotin, 0.2 mg; VB12, 1 mg; Fe, 100 mg; Cu, 8 mg; Mn, 100 mg; Zn, 100 mg; I, 0.42 mg; Se, 0.3 mg.
2
The nutrient levels were calculated from data provided by Feed Database in China.