Table 1.
Diets’ composition and nutritional level.
| Ingredients, g/kg | Week 1–8 | Week 9–12 | Week 13–16 |
|---|---|---|---|
| Corn | 685.0 | 730.0 | 761.0 |
| Soybean meal (43% CP) | 230.0 | 180.0 | 150.0 |
| Wheat bran | 40.0 | 40.0 | 40.0 |
| Soy oil | 15.0 | 20.0 | 20.0 |
| Monocalcium phosphate | 12.3 | 11.0 | 10.0 |
| Limestone (38% Ca) | 7..0 | 7.0 | 7.0 |
| Salt | 3.0 | 3.0 | 3.0 |
| Choline chloride (50%) | 1.0 | 1.0 | 1.0 |
| L-Lys, 78.8% | 2.5 | 3.5 | 3.5 |
| DL-Met, 98% | 0.4 | 0.5 | 0.5 |
| L-Thr, 97.5% | 1.3 | 1.5 | 1.5 |
| Vitamin premix 1 | 1.5 | 1.5 | 1.5 |
| Mineral premix 2 | 1.0 | 1.0 | 1.0 |
| Total | 1000 | 1000 | 1000 |
| Determined nutrients | |||
| DE, kcal/kg | 3480 | 3498 | 3495 |
| Crude protein, % | 15.68 | 13.86 | 12.79 |
| Ca, % | 0.67 | 0.61 | 0.58 |
| Total P, % | 0.57 | 0.52 | 0.49 |
| Ca: P | 1.18 | 1.18 | 1.18 |
1 Vitamin premix contained per gram of premix: vitamin A, 2640 IU; vitamin D3, 264 IU; vitamin E, 17.6 IU; vitamin K activity, 2.4 mg; menadione, 880 μg; vitamin B12, 15.4 μg; riboflavin, 3.52 mg; D-pantothenic acid, 8.8 mg; niacin, 13.2 mg. 2 Mineral premixes contained per gram of premix: Cu (as copper chloride), 9 mg; I (as ethylenediamine dihydroiodide (EDDI)), 0.36 mg; Fe (as ferrous carbonate), 194 mg; Mn (as manganese oxide), 17 mg; and Zn (as zinc oxide), 149 mg.