Table 1.
Ingredients and chemical compositions of the experimental diets.
| Item 1 | Concentrate | Rice Straw |
|---|---|---|
| Ingredient, % (on DM basis) | ||
| Corn grain | 53.2 | − |
| Wheat bran | 29.4 | − |
| Wheat middling | 15.0 | − |
| Rapeseed meal | 0.4 | − |
| NaHCO3 | 1.0 | − |
| NaCl | 1.0 | − |
| Chemical composition, % (on DM basis) | ||
| OM | 94.3 | 86.3 |
| CP | 12.0 | 5.1 |
| EE | 6.1 | 2.5 |
| NDF | 23.5 | 74.8 |
| ADF | 3.5 | 39.3 |
| DM, % (on air-dry basis) | 90.6 | 93.6 |
| ME, Mcal/kg (on DM basis) | 2.97 | 1.68 |
1 DM, dry matter; OM, organic matter; CP, crude protein; EE, ether extract; NDF, neutral detergent fiber; ADF, acid detergent fiber; ME, metabolizable energy.