TABLE 1.
Composition and nutrient levels of basal diets (air-dry basis) %.
| Items | Contents | |
| 1–21 days of age | 22–42 days of age | |
| Ingredients | ||
| Corn | 60 | 62.00 |
| Soybean meal | 34.30 | 30.50 |
| Soybean oil | 2.00 | 4.00 |
| Limestone | 1.45 | 1.40 |
| CaHPO4 | 1.33 | 1.28 |
| Methionine | 0.25 | 0.15 |
| NaCl | 0.35 | 0.35 |
| Premixa | 0.20 | 0.20 |
| Multi-vitaminb | 0.02 | 0.02 |
| Choline chloride | 0.10 | 0.10 |
| Total Nutrient levelsc | ||
| Metabolizable energy (MJ/kg) | 12.54 | 12.96 |
| Crude protein | 20.65 | 18.98 |
| Calcium | 1.00 | 0.90 |
| Available phosphorus | 0.45 | 0.40 |
| Lysine | 1.09 | 0.99 |
| Methionine | 0.56 | 0.44 |
aProvided per kilogram of diet: Fe (as ferrous sulfate) 80 mg; Cu (as copper sulfate) 10 mg; Zn (as zinc sulfate) 75 mg; Mn (as manganese sulfate) 80 mg; Se (as sodium selenite) 0.30 mg; I (as potassium iodide) 0.40 mg.
bProvided per kilogram of diet: Vitamin A (trans-retinyl acetate) 8000 IU; Vitamin D3 (cholecalciferol) 3000 IU; Vitamin E (all-rac-α-tocopherol acetate) 20 IU; Vitamin K3 (menadione) 2.0 mg; Vitamin B1 (thiamin) 4.2 mg; Vitamin B2 (riboflavin) 4.0 mg; Vitamin B6 (pyridoxine HCl) 4.5 mg; Vitamin B12 (cobalamin) 0.02 mg; nicotinic acid 10 mg; calcium pantothenate 11 mg; folic acid 1.0 mg; biotin 0.15 mg.
cThe nutrient levels were calculated values.