Table 1.
Composition and nutrient density of the diets.
| Days 1–21 | Days 22–35 | |
|---|---|---|
| Components, g/kg | ||
| Maize | 200.0 | 200.0 |
| Soybean meal | 336.5 | 282.4 |
| Wheat | 383.4 | 421.4 |
| Soybean oil | 39.0 | 56.1 |
| Salt | 3.3 | 3.3 |
| Limestone | 11.9 | 11.6 |
| MCP | 14.4 | 13.3 |
| DL-Methionine | 3.1 | 2.8 |
| L-Lysine HCL | 2.7 | 3.1 |
| L-Threonine | 0.7 | 1.0 |
| Vitamins + trace minerals 1 | 5.0 | 5.0 |
| Calculated nutrient density, g/kg | ||
| Crude protein | 220.0 | 200.0 |
| Lysine | 13.0 | 12.0 |
| Methionine | 6.2 | 5.7 |
| Met. + Cys. | 10.0 | 9.2 |
| Threonine | 8.5 | 8.0 |
| Calcium | 9.5 | 9.0 |
| Available phosphorus | 4.8 | 4.5 |
| ME, kcal/kg | 2950 | 3100 |
| Amount of Cr added to feed | Analyzed content of Cr, mg/kg | |
| 0 | 0.86 | 0.83 |
| 3 mg/kg Cr-Pic | 3.90 | 3.36 |
| 6 mg/kg Cr-Pic | 6.71 | 6.20 |
| 3 mg/kg Cr-NP | 3.85 | 3.87 |
| 6 mg/kg Cr-NP | 6.49 | 6.08 |
1 Provided per kilogram of diet: days 1 to 21: vit. A, 15,000 IU; vit. D3, 5000 IU; vit. E, 112 IU; vit. K3, 4 mg; vit. B1, 3 mg; vit. B2, 8 mg; vitamin B6, 5 mg; vit. B12, 16 mg; folic acid, 2 mg; biotin, 0.2 mg; nicotinic acid, 60 mg; calcium pantothenicum, 18 mg; choline, 1.8 g; Mn, 100 mg; Zn, 80 mg; Fe, 80 mg; Cu, 8 mg; I, 1 mg; Se, 0.15 mg; days 22 to 35: vit. A, 12,000 IU; vit. D3, 5000 IU; vit. E, 75 IU; vit. K3, 2 mg; vit. B1, 2 mg; vit. B2, 6 mg; vit. B6, 4 mg; vit. B12, 16 mg; folic acid, 1.75 mg; biotin, 0.05 mg; nicotinic acid, 60 mg; calcium pantothenicum, 18 mg; choline, 1.6 g; Mn, 100 mg; Zn, 80 mg; Fe, 80 mg; Cu, 8 mg; I, 1 mg; Se, 0.15 mg. ME – metabolic energy.