Table 1.
Composition and nutrient levels of basal diets (as-fed basis).
| Ingredients | Content (%) | Nutrient levelsb | |
|---|---|---|---|
| Corn | 63.50 | Apparent metabolizable energy (kcal/kg) | 2667.24 |
| Soybean meal | 18.80 | Crude protein (%) | 15.37 |
| Fish meal | 1.50 | Calcium, Ca (%) | 3.79 |
| Rapeseed meal | 2.00 | Total phosphorus, P (%) | 0.64 |
| Corn gluten meal | 1.20 | ||
| Soybean phospholipid | 1.00 | ||
| Limestone | 9.17 | ||
| Dicalcium phosphate | 1.40 | ||
| DL-Methionine | 0.10 | ||
| Sodium chloride | 0.33 | ||
| 1% Premixa | 1.00 | ||
| Total | 100 | ||
1% Premix was provided by Huamu Institute of Animal Science and Technology, and provided per kilogram of diet: vitamin A (transretinyl acetate), 1.08 × 104 IU; vitamin D3 (cholecalciferol), 2.7 × 103 IU; vitamin E (all-rac-α-tocopherol), 27 mg; menadione, 0.84 mg; thiamin, 0.72 mg; riboflavin, 5.4 mg; nicotinamide, 9 mg; calcium pantothenate, 36 mg; pyridoxine•HCl, 2.7 mg; biotin, 0.09 mg; folic acid, 0.24 mg; vitamin B12 (cobalamin), 0.009 mg; Fe (from ferrous sulfate), 100 mg; Cu (from copper sulphate), 8.0 mg; Mn (from manganese sulphate), 100 mg; Zn (from zinc oxide), 100 mg; I (from calcium iodate), 0.9 mg; Se (from sodium selenite), 0.3 mg.
Nutrient levels were the calculated values.