Table 1.
Composition and nutrient levels of basal diets (%, as-fed basis).
| Ingredients | Day 0 to 21 | Day 21 to 42 |
|---|---|---|
| Corn | 58.17 | 64.26 |
| Soybean meal, 43% | 30.44 | 24.05 |
| Corn gluten meal | 2.00 | 2.50 |
| Fish meal, 64.6% | 2.00 | 2.00 |
| Soybean oil | 3.38 | 3.60 |
| Dicalcium phosphate | 1.50 | 1.04 |
| Limestone | 1.30 | 1.35 |
| Salt | 0.30 | 0.30 |
| L-lysine HCl, 78% | 0.01 | 0.08 |
| DL-Methionine, 98% | 0.14 | 0.04 |
| L-Threonine, 98% | 0.01 | 0.03 |
| Chromic oxide | 0.25 | 0.25 |
| Vitamin-mineral premix 1 | 0.50 | 0.50 |
| Total | 100.00 | 100.00 |
| Calculated nutrient levels 2 | ||
| Metabolizable energy, MJ/kg | 12.76 | 13.17 |
| Crude protein | 21.00 | 19.00 |
| Calcium | 1.00 | 0.90 |
| Available phosphorus | 0.45 | 0.35 |
| Standardized ileal digestible lysine | 0.86 | 0.73 |
| Standardized ileal digestible methionine | 0.30 | 0.28 |
| Standardized ileal digestible threonine | 0.63 | 0.56 |
| Standardized ileal digestible tryptophan | 0.28 | 0.24 |
1. Vitamin A, 11,000 IU; vitamin D, 3025 IU; vitamin E, 22 mg; vitamin K3, 2.2 mg; thiamine, 1.65 mg; riboflavin, 6.6 mg; pyridoxine, 3.3 mg; cobalamin, 17.6 μg; nicotinic acid, 22 mg; pantothenic acid, 13.2 mg; folic acid, 0.33 mg; biotin, 88 μg; choline chloride, 500 mg; iron, 48 mg; zinc, 96.6 mg; manganese, 101.76 mg; copper, 10 mg; selenium, 0.05 mg; iodine, 0.96 mg; cobalt, 0.3 mg. 2. Crude protein was the analyzed value. Other values were calculated.