| HS | LS | SEM | P-value | |
| Intake | ||||
| DMIa, kg/d | 2.03 | 2.07 | 0.040 | NS |
| Digestibility | ||||
| DM, % | 68 | 65 | 0.6 | 0.01 |
| OM, % | 70 | 66 | 0.7 | 0.01 |
| CP, % | 78 | 76 | 0.8 | 0.02 |
| EE, % | 84 | 86 | 0.5 | 0.07 |
| NDF, % | 47 | 48 | 0.8 | NS |
| ADF, % | 19 | 41 | 2.8 | 0.01 |
| Starch, % | 100 | 100 | 0.1 | NS |
| GE, % | 69 | 67 | 0.7 | 0.03 |