Table 1.
Composition of the basal diet for broilers during starter and grower stages (%, unless noted).
| Item | Starter (1 to 21 d of age) | Grower (22 to 42 d of age) |
|---|---|---|
| Ingredients | ||
| Corn | 51.8 | 58.4 |
| Soybean meal (44% CP) | 38.6 | 32.5 |
| Soy oil | 4 | 3.9 |
| Dicalcium phosphate | 1.7 | 1.3 |
| Oyster shell | 1.5 | 1.5 |
| Salt | 0.3 | 0.3 |
| DL-Met | 0.1 | 0.1 |
| L-Lys | – | – |
| Mineral supplement1 | 0.25 | 0.25 |
| Vitamin supplement2 | 0.25 | 0.25 |
| Wheat bran | 1.5 | 1.5 |
| Calculated composition | ||
| AME, kcal/kg | 3,000 | 3,100 |
| CP | 21.5 | 19.5 |
| Met | 0.48 | 0.4 |
| Met + Cys | 0.9 | 0.72 |
| Lys | 1.26 | 1.03 |
| Thr | 0.92 | 0.9 |
| Arg | 1.38 | 1.15 |
| Ca | 0.95 | 0.88 |
| Available P | 0.43 | 0.35 |
| Na | 0.18 | 0.15 |
| Cl | 0.27 | 0.29 |
| K | 0.9 | 0.92 |
| Na + K–Cl, mEq/kg | 232 | 233 |
1
Provided the following per kilogram of diets: vitamin A (trans retinyl acetate), 3,600 IU; vitamin D3 (cholecalciferol), 800 IU; vitamin E (DL-α-tocopheryl acetate), 7.2 mg; vitamin K3, 1.6 mg; thiamine, 0.72 mg; riboflavin, 3.3 mg; niacin, 0.4 mg; pyridoxin, 1.2 mg; cobalamine, 0.6 mg; folic acid, 0.5 mg; choline chloride, 200 mg.
2
Provided the following per kilogram of diets: Mn (from MnSO4·H2O), 40 mg; Zn (from ZnO), 40 mg; Fe (from FeSO4·7H2O), 20 mg; Cu (from CuSO4·5H2O), 4 mg; I [from Ca (IO3)2·H2O], 0.64 mg; Se (from sodium selenite),0.08 mg.