Table 1.
Ingredient and nutrient composition of basal diets (air-dry basis).
| Item | Gestation | Lactation |
|---|---|---|
| Ingredients, % | ||
| Corn | 35.60 | 35.09 |
| Wheat | 30.00 | 34.00 |
| Soybean meal | 14.00 | 17.00 |
| Wheat bran | 14.26 | 4.00 |
| Soy oil | 1.00 | 2.00 |
| Fish meal | 0.00 | 2.00 |
| Limestone | 1.00 | 1.00 |
| Dicalcium phosphate | 1.00 | 1.00 |
| Salt | 0.40 | 0.40 |
| Glucose | 0.00 | 1.00 |
| L-Lysine-HCl | 0.40 | 0.27 |
| DL-methionine | 0.15 | 0.11 |
| L-threonine | 0.19 | 0.13 |
| Premix1 | 2.00 | 2.00 |
| Total | 100.00 | 100.00 |
| Nutrient levels, % | ||
| DE2, MJ/kg | 13.14 | 13.73 |
| CP2 | 15.31 | 16.82 |
| Ca2 | 0.76 | 0.86 |
| Total P2 | 0.62 | 0.61 |
| Lysine2 | 1.10 | 1.10 |
| Methionine + Cysteine2 | 0.70 | 0.70 |
| Threonine2 | 0.73 | 0.73 |
| Thyptophan2 | 0.21 | 0.21 |
| Fe3, mg/kg | 68.35 | 63.54 |
1
Premix supplied per kg of diet: vitamin A, 7,000 IU; vitamin D, 32,100 IU, vitamin E, 36 IU; vitamin K3, 1.70 mg; vitamin B1, 5.00 mg; vitamin B2, 2.00 mg; pantothenic acid, 10.00 mg; niacin, 20.00 mg; vitamin B6, 1.80 mg; vitamin B12, 0.02 mg; choline (choline chloride), 800 mg; D-biotin, 0.08 mg; folic acid, 1.0 mg; 5.0 mg of Cu as CuSO4·5H2O; 50 mg of Zn as ZnSO4·H2O; 25 mg of Mn as MnSO4·H2O; 0.14 mg of I as KI; 0.23 mg Se as Na2SeO3.
2
Calculated values according to the tables of feed composition and nutritive values in China (Xiong et al., 2011).
3
Analyzed values.