Table 1.
Composition and nutrient level of the basal diet (%, as-fed basis unless otherwise stated).
| Items | 1 to 21 d | 22 to 42 d |
|---|---|---|
| Ingredients | ||
| Corn | 57.00 | 62.00 |
| Soybean meal | 32.60 | 28.00 |
| Corn gluten meal | 3.00 | 2.00 |
| Soybean oil | 3.00 | 4.00 |
| Limestone | 1.23 | 1.30 |
| Dicalcium phosphate | 2.00 | 1.60 |
| L-Lysine | 0.32 | 0.30 |
| DL-Methionine | 0.15 | 0.10 |
| Sodium chloride | 0.30 | 0.30 |
| Premix1 | 0.40 | 0.40 |
| Calculated nutrient levels | ||
| Apparent metabolizable energy (MJ/kg) | 12.55 | 12.98 |
| Crude protein | 21.55 | 19.33 |
| Calcium | 1.01 | 0.93 |
| Available phosphorus | 0.46 | 0.39 |
| Lysine | 1.22 | 1.10 |
| Methionine | 0.50 | 0.43 |
| Methionine + cystine | 0.90 | 0.72 |
1
Premix provided per kilogram of diet: vitamin A (transretinyl acetate), 10,000 IU; vitamin D3 (cholecalciferol), 3,000 IU; vitamin E (all-rac-α-tocopherol), 30 IU; menadione, 1.3 mg; thiamin, 2.2 mg; riboflavin, 8 mg; nicotinamide, 40 mg; choline chloride, 600 mg; calcium pantothenate, 10 mg; pyridoxine·HCl, 4 mg; biotin, 0.04 mg; folic acid, 1 mg; vitamin B12 (cobalamin), 0.013 mg; Fe (from ferrous sulfate), 80 mg; Cu (from copper sulphate), 8.0 mg; Mn (from manganese sulphate), 110 mg; Zn (from zinc oxide), 60 mg; I (from calcium iodate), 1.1 mg; Se (from sodium selenite), 0.3 mg.