TABLE 1.
Composition and nutrient levels of the basal diet (air-dry basis) (%).
| Ingredients | Content | Nutrient levels | Content |
| Corn | 62.50 | Digestible energy (MJ/kg)b | 14.21 |
| Soybean meal | 20.50 | CP (%) | 19.62 |
| Whey powder | 5.50 | Ca (%) | 0.75 |
| Fish meal | 4.50 | Available P (%) | 0.40 |
| Soybean oil | 1.30 | Lys (%) | 1.31 |
| Sucrose | 1.50 | Met (%) | 0.42 |
| Limestone | 0.60 | Thr (%) | 0.73 |
| Choline chloride | 0.10 | Trp (%) | 0.20 |
| CaHPO4 | 1.20 | ||
| Complex acidifying agent | 0.30 | ||
| L-Lysine; HCl | 0.40 | ||
| DL-methionine | 0.16 | ||
| L-Tryptophan | 0.04 | ||
| L-Threonine | 0.10 | ||
| NaCl | 0.30 | ||
| Vitamin–mineral premixa | 1.00 | ||
| Total | 100.00 |
aProvided per kilogram of diet: VA 2,700 IU, VD 3,300 IU, VE 25 IU, VK3 0.5 mg, VB1 10 mg, VB2 20 mg, VB12 80 mg, folic acid 0.3 mg, nicotinic 22 mg, pantothenate14 mg, biotin 0.05 mg, chorine 830 mg, Cu 5.6 mg, Fe 90 mg, Mn 5.2 mg, Zn 106 mg, Se 0.3 mg, I 0.2 mg.
bDigestible energy was calculated from data provide by Feed Database in China (2012), while the other nutrient levels were measured values.