Table 1.
Ingredient composition (%) of the basal diet for each feeding phase.
| Ingredient | Starter (day 0–21) | Grower (day 22–35) |
|---|---|---|
| Corn | 58.56 | 64.61 |
| Soybean meal | 33.43 | 27.06 |
| Soybean oil | 2.42 | 3.37 |
| Dicalcium phosphate | 1.91 | 1.49 |
| Limestone | 0.85 | 0.74 |
| Salt | 0.38 | 0.31 |
| Sodium bicarbonate | 0.00 | 0.10 |
| Poultry vitamin premix1 | 0.20 | 0.20 |
| Poultry mineral premix2 | 0.15 | 0.15 |
| Choline chloride, 60% | 0.12 | 0.10 |
| DL-Met | 0.32 | 0.25 |
| L-Thr | 0.09 | 0.07 |
| L-Val | 0.06 | 0.03 |
| L-Ile | 0.02 | 0.02 |
| Test article premix3 | 1.50 | 1.50 |
1
Provided per kg of complete diet: retinyl acetate, 4,400 IU; cholecalciferol, 25 μg; DL-α-tocopheryl acetate, 11 IU; vitamin B12, 0.01 mg; riboflavin, 4.41 mg; D-Ca-pantothenate, 10 mg; niacin, 22 mg; and menadione sodium bisulfite complex, 2.33 mg.
2
Provided per kg of complete diet: Mn, 75 mg from MnO; Fe, 75 mg from FeSO4·7H2O; Zn, 75 mg from ZnO; Cu, 5 mg from CuSO4·5H2O; I, 0.75 mg from ethylene diamine dihydroiodide; and Se, 0.1 mg from Na2SeO3.
3
A total of 1.5% of the basal formulation was reserved for the combined addition of test articles plus fine-ground corn, as denoted by ‘Test article premix’ in the ingredient list.