Table 1.
Compositions and nutrient levels of the basal diet (g/kg, as fed basis unless otherwise stated).
| Items | 1–21 D | 22–42 D |
|---|---|---|
| Ingredients | ||
| Corn | 570 | 615.2 |
| Soybean meal | 315.1 | 250 |
| Corn gluten meal | 34 | 46 |
| Soybean oil | 31 | 41 |
| Limestone | 12 | 14 |
| Dicalcium phosphate | 20 | 17 |
| L-Lysine | 3.4 | 3 |
| DL-Methionine | 1.5 | 0.8 |
| Sodium chloride | 3 | 3 |
| Premix1 | 10 | 10 |
| Calculated nutrient levels | ||
| Apparent metabolizable energy (MJ/kg) | 12.55 | 13.05 |
| Crude protein | 233 | 200 |
| Calcium | 10 | 9 |
| Available phosphorus | 4.5 | 3.5 |
| Lysine | 11 | 10 |
| Methionine | 5 | 3.8 |
| Methionine + cystine | 9 | 7.2 |
1
Premix provided the following 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, 400 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 sulfate), 8.0 mg; Mn (from manganese sulfate), 110 mg; Zn (from zinc oxide), 60 mg; I (from calcium iodate), 1.1 mg; Se (from sodium selenite), 0.3 mg.