Table 1. Composition (%) of experimental diets.
| Ingredient (%) | Corn-based | Rice-based |
|---|---|---|
| Corn | 57.65 | — |
| Brown rice | — | 57.65 |
| Soybean meal | 34.58 | 34.58 |
| Vegetable oil | 4.03 | 4.03 |
| Calcium Carbonate | 1.08 | 1.08 |
| Dibasic calcium phosphate hydrate | 1.59 | 1.59 |
| Sodium Chloride | 0.47 | 0.47 |
| L-Lysine HCl | 0.02 | 0.02 |
| DL-Methionine | 0.27 | 0.27 |
| Selenium | 0.01 | 0.01 |
| Vitamin Mixture1 | 0.20 | 0.20 |
| Mineral Mixture2 | 0.10 | 0.10 |
| Calculated value | ||
| Crude protein (%) | 20.1 | 20.6 |
| Metabolizable energy (kcal/g) | 3.1 | 3.2 |
| α-tocotrienol (µg/g) | 0.08 | 0.12 |
| γ-tocotrienol (µg/g) | 0.01 | 0.43 |
| γ-oryzanol (µg/g) | — | 58.0 |
1
The vitamin mixture provided the following (per kilogram of diet): vitamin A (from retinyl acetate) 4,000 IU; cholecalciferol, 600 IU; vitamin E (from DL-α-tocopheryl acetate), 15 IU; vitamin K (menadione sodium bisulfate), 1.5 mg; riboflavin, 10 mg; d-calcium pantothenate, 20 mg; nicotinic acid, 50 mg; choline chloride, 500 mg; pyridoxine hydrochloride, 3 mg; folic acid, 2 mg; thiamine mononitrate, 3 mg; d-biotin, 0.3 mg; vitamin B12 (cyanocobalamin), 20 µg.
2
The mineral mixture provided the following (per kilogram of diet): iron (FeSO4 · 7H2O), 80 mg; manganese (MnCO3 · nH2O), 60 mg; zinc (ZnO), 40 mg; copper (CuSO4 · 5H2O), 8 mg; iodine (calcium iodate), 0.5 mg.