Table 2.
Composition of the experimental diets (%, as-fed basis)
| Items | Basal diet | Basal diet+CSM1 |
|---|---|---|
| Corn | 77.30 | 61.84 |
| Dehulled soybean meal | 18.60 | 14.88 |
| CSM1 | 0.00 | 19.20 |
| L-lysine-HCl | 0.10 | 0.08 |
| Medical stone2 | 0.90 | 0.90 |
| Dicalcium phosphate | 0.90 | 0.90 |
| Limestone | 0.90 | 0.90 |
| Sodium chloride | 0.30 | 0.30 |
| Vitamin and mineral premix3 | 1.00 | 1.00 |
| Total | 100.00 | 100.00 |
1
CSM = Cottonseed meal.
2
Medical stone consisted of silicon oxide and aluminium oxide, purchased by YiXian BeiQiao Tou Ore Company Limited.
3
Provided per kg of complete diet: Vit A, 6,000 IU; Vit D3, 2,400 IU; Vit E, 21.6 IU; Vit K3, 2 mg; Vit B1, 0.96 mg; Vit B2, 5.2 mg; Vit B6, 2 mg; Vit B12, 12 μg; Nicotinic acid, 22 mg; Pantothenic acid, 11.2 mg; Folic acid, 0.4 mg; Biotin, 40 μg; Choline chloride, 0.4 g; Iron, 120 mg; Copper, 140 mg; Zinc, 100 mg; Manganese, 16 mg; Iodine, 0.24 mg; Selenium, 0.4 mg; Calcium, 7.2 g; Phosphorus, 0.8 g; Sodium chloride, 4.4 g.