Table 1.
Composition of the experimental basal diet, %.
| Items | Starter (d 1–21) | Grower and finisher d (22–42) |
|---|---|---|
| Composition, % | ||
| Corn (CP 7.8%) | 39.70 | 57.0 |
| Soybean meal (CP 46.0%) | 33.0 | 30.0 |
| Wheat | 19.0 | 0 |
| Soybean oil | 4.00 | 4.40 |
| Wheat middlings | 0 | 5 |
| Limestone | 1.50 | 1.50 |
| Dicalcium phosphate | 1.50 | 1.36 |
| Sodium chloride | 0.30 | 0.30 |
| DL-Methionine, 98% | 0.27 | 0.19 |
| L-Lysine sulfate, 78% | 0.20 | 0.11 |
| Choline chloride, 50% | 0.25 | 0.15 |
| Mineral Premixa | 0.20 | 0.20 |
| Vitamin Premixb | 0.03 | 0.03 |
| Phytase | 0.02 | 0.03 |
| Ethoxyquinoline, 33% | 0.05 | 0.03 |
| Total | 100 | 100 |
| Calculated nutrient | ||
| Metabolizable energy, Mcal/kg | 3.02 | 3.10 |
| Crude protein, % | 21.37 | 19.27 |
| Calcium, % | 0.99 | 0.93 |
| Available phosphorus % | 0.45 | 0.43 |
| Digestible Lysine, % | 1.20 | 1.05 |
| Digestible Methionine, % | 0.57 | 0.46 |
| Digestible Methionine + Cysteine, % | 0.90 | 0.78 |
a
Composition of vitamin premix provided per kg of complete diet: vitamin A (retinyl acetate), 12,500 IU; vitamin D3 (cholecalciferol), 2500 IU; vitamin E (DL-a-tocopherol acetate), 30 IU; vitamin K3 (menadione sodium bisulfate), 2.65 mg; vitamin B12 (cyanocobalamin), 0.025 mg; biotin, 0.30 mg; folic acid, 1.25 mg; nicotinic acid, 50 mg; d-pantothenic acid, 12 mg; pyridoxine hydrochloride, 6.0 mg; riboflavin, 6.5 mg; thiamine mononitrate, 3.0 mg.
b
Mineral premix provided per kg of complete diet: iron, 80 mg; copper, 8 mg; manganese, 100 mg; zinc, 80 mg; iodine, 0.35 mg; selenium, 0.15 mg.