Table 1. Ingredients and nutrient composition of basal diets.
| Items | Initial (1–21 days) | Finisher (22–42 days) |
|---|---|---|
| Ingredients (%) | ||
| Corn | 46.84 | 55.91 |
| Bran | 6.24 | 1.12 |
| Soybean meal | 31.05 | 28.00 |
| Cottonseed meal | 6.41 | 6.35 |
| Rapeseed meal | 5.60 | 5.20 |
| Calcium phosphate | 1.32 | 1.17 |
| Limestone powder | 1.22 | 1.10 |
| Methionine | 0.15 | 0.07 |
| Salt | 0.27 | 0.18 |
| 50% Choline chloride | 0.40 | 0.40 |
| Additive premix1 | 0.50 | 0.50 |
| Total | 100 | 100 |
| Nutrient composition2 | ||
| Metabolizable energy (kcal/kg) | 12.54 | 12.96 |
| Crude protein (%) | 21.49 | 20.00 |
| Crude fiber (%) | 3.65 | 4.24 |
| Ether extract (%) | 3.42 | 3.12 |
| Lysine (%) | 1.00 | 1.07 |
| Methionine (%) | 0.45 | 0.40 |
| Calcium (%) | 1.19 | 0.90 |
| Available phosphorus (%) | 0.50 | 0.41 |
| Sodium (%) | 0.20 | 0.30 |
| Chloride (%) | 0.18 | 0.15 |
Notes:
1
Additive premixes were available/kg at 1–3 weeks/4–6 weeks: Fe, 120/80 mg (ferrous sulfate); Zn, 120/80 mg (zinc sulfate); Cu, 10/8 mg (copper sulfate); Mn, 120/100 mg (manganese sulfate); I, 0.70 mg (calcium iodate); Se, 0.30 mg (sodium selenite); vitamin A, 2700 IU; vitamin D, 3400 IU; vitamin E, 10 IU; vitamin K, 0.5 mg; thiamin, 1.8 mg; riboflavin, 7.2 mg; pantothenic acid, 10 mg; niacin, 27 mg; pyridoxine, 3 mg; biotin, 0.15 mg; folic acid, 0.55 mg; vitamin B12, 0.009 mg.
2
Crude protein, calcium, phosphorus, ether extract, and ash were analyzed. Metabolizable energy and amino acid content were calculated.