Table 2.
Composition of the basal experimental diets (Exp. 1).
| Item | Starter (0 to 3 wk) | Grower (4 to 6 wk) |
|---|---|---|
| Ingredient, % | ||
| Corn | 62.80 | 72.00 |
| Soybean meal | 24.60 | 9.00 |
| Corn gluten meal | 8.00 | 12.00 |
| Rapeseed meal | – | 2.40 |
| Dicalcium phosphate | 1.80 | 1.60 |
| Limestone | 1.24 | 1.20 |
| NaCl | 0.35 | 0.30 |
| Trace mineral premix1 | 0.20 | 0.20 |
| Vitamin premix2 | 0.02 | 0.02 |
| Choline chloride (50%) | 0.16 | 0.14 |
| Lys·HCl (98%) | 0.45 | 0.65 |
| dl-Met (98%) | 0.14 | 0 |
| l-Thr (98%) | 0.06 | 0.09 |
| l-Trp (98%) | 0 | 0.05 |
| l-Arg | 0.18 | 0.35 |
| Calculated analysis, % | ||
| AME, kcal/kg | 2,900 | 3,050 |
| Crude protein | 21.00 | 18.50 |
| Total Lys | 1.15 | 1.00 |
| Total Met | 0.45 | 0.35 |
| Total Met + Cys | 0.85 | 0.65 |
| Total Thr | 0.82 | 0.73 |
| Total Trp | 0.21 | 0.20 |
| Total Arg | 1.20 | 1.12 |
| Ca | 1.00 | 0.90 |
| Available P | 0.42 | 0.40 |
1
Provided per kilogram of diet: Fe, 100 mg (FeSO4·H2O); Cu, 10 mg (CuSO4·5H2O); Zn 120 mg (ZnSO4·H2O); Mn 100 mg (MnSO4·H2O); Se 0.3 mg (Na2SeO3); and I, 0.7 mg (CaIO3·H2O).
2
Provides per kilogram of diet: vitamin A, 12,500 IU; vitamin D3, 2,500 IU; vitamin E, 18.75 IU; vitamin K, 2.65 mg; niacin, 36.8 mg; pantothenic acid, 12 mg; folic acid, 1.25 mg; thiamin, 2.5 mg; riboflavin, 6.6 mg; pyridoxine, 4.9 mg; vitamin B12, 0.025 mg; and biotin, 0.013 mg.