TABLE 2.
Differences in the rumen fermentation parameters of lambs among the three treatments.
| Item | UC | LU | HU | SEM1 | p-value |
| Ruminal pH | 5.35 | 5.52 | 5.67 | 0.07 | 0.17 |
| Ammonia (mg/dL) | 5.86b | 10.76b | 25.99a | 2.90 | <0.01 |
| Acetate (mM) | 71.8 | 70.8 | 73.6 | 2.05 | 0.87 |
| Propionate (mM) | 37.3a | 32.0ab | 22.6b | 2.51 | 0.04 |
| Butyrate (mM) | 9.86b | 11.62b | 14.65a | 0.86 | 0.04 |
| Valerate (mM) | 1.09 | 1.19 | 1.29 | 0.06 | 0.36 |
| Isobutyrate (mM) | 0.73 | 0.74 | 1.07 | 0.06 | 0.06 |
| Isovalerate (mM) | 1.17b | 1.16b | 1.91a | 0.12 | <0.01 |
| Total VFAs (mM) | 122.0 | 117.4 | 115.0 | 3.62 | 0.75 |
1Standard error of means. a,bValues within the same row with different superscripts are significantly different (p < 0.05).