Table 1.
The composition and nutrient levels of the basal diets.
| 1 to 21 d | 22 to 42 d | |
|---|---|---|
| Ingredients (%) | ||
| Corn | 57.61 | 62.27 |
| Soybean meal | 31.00 | 23.00 |
| Corn gluten meala | 3.29 | 6.00 |
| Soybean oil | 3.11 | 4.00 |
| Limestone | 1.20 | 1.20 |
| Dicalcium phosphate | 2.00 | 2.00 |
| L-lysine | 0.34 | 0.35 |
| DL-methionine | 0.15 | 0.08 |
| Salt | 0.30 | 0.30 |
| Premixb | 1.00 | 1.00 |
| Calculated nutrient levels | ||
| MEc (MJ/kg) | 12.56 | 13.19 |
| CP (%) | 21.10 | 19.60 |
| Ca (%) | 1.00 | 0.95 |
| Available phosphorus (%) | 0.46 | 0.39 |
| Lysine (%) | 1.20 | 1.05 |
| Methionine (%) | 0.50 | 0.42 |
| Methionine + cysteine (%) | 0.85 | 0.76 |
| Analyzed nutrient levels | ||
| CP (%) | 20.84 | 19.23 |
| Ca (%) | 1.03 | 0.99 |
| Total phosphorus (%) | 0.64 | 0.61 |
a
The crude protein (CP) content was 60%.
b
Premix provided per kilogram of diet: vitamin A, 12,000 IU; cholecalciferol for vitamin D3, 2,500 IU; DL-α-tocopheryl acetate for vitamin E, 20 IU; menadione sodium bisulfate, 1.3 mg; thiamin, 2.2 mg; riboflavin, 8.0 mg; nicotinamide, 40 mg; choline chloride, 400 mg; calcium pantothenate, 10 mg; pyridoxine HCl, 4 mg; biotin, 0.04 mg; folic acid, 1 mg; vitamin B 12 (cobalamin), 0.013 mg; Fe (from ferrous sulfate), 80 mg; Cu (from copper sulfate), 8.0 mg; Mn (from manganese sulfate), 110 mg; Zn (from zinc sulfate), 60 mg; I (from calcium iodate), 1.1 mg; Se (from sodium selenite), 0.3 mg.
c
Abbreviation: ME, metabolizable energy.