| Items | Treatments | ± SE | ||
| T0 | T1 | T2 | ||
| Caecal weight, g | 169.77a | 169.43a | 169.73a | 0.26 |
| Caecal length, cm | 11.98a | 11.66a | 11.98a | 0.18 |
| TVFA (meq./dl cecal juice) | 6.12a | 6.21a | 6.25a | 0.07 |
| NH3-N (mg/dl cecal juice) | 28.51a | 26.65b | 23.84c | 0.12 |
| Caecal pH | 5.97a | 5.95a | 5.92a | 0.05 |
| Bacterial total count (total count × 105) | 25.43a | 23.72b | 22.62b | 0.35 |