Table 4.
The changes of ruminal fermentation parameters between the susceptible (SUS) and tolerant (TOL) groups.
| Item | Groups |
SEM | P-value | |
|---|---|---|---|---|
| TOL | SUS | |||
| Total VFA, mmol/L | 98.43 | 116.56 | 4.97 | 0.042 |
| Acetate, mmol/L | 66.39 | 72.73 | 4.53 | 0.360 |
| Propionate, mmol/L | 19.30 | 26.54 | 1.75 | 0.027 |
| Isobutyrate, mmol/L | 0.83 | 0.80 | 0.06 | 0.722 |
| Butyrate, mmol/L | 9.62 | 13.56 | 0.54 | 0.002 |
| Isovalerate, mmol/L | 1.01 | 1.21 | 0.07 | 0.101 |
| Valerate, mmol/L | 1.28 | 1.72 | 0.12 | 0.029 |
| Acetate-to-propionate ratio | 3.47 | 2.83 | 0.27 | 0.100 |
| Acetate, % | 67.46 | 62.40 | 1.09 | 0.044 |
| Propionate, % | 19.61 | 22.77 | 1.64 | 0.209 |
| Isobutyrate, % | 0.86 | 0.68 | 0.05 | 0.046 |
| Butyrate, % | 9.83 | 11.63 | 0.51 | 0.044 |
| Isovalerate, % | 1.04 | 1.04 | 0.04 | 0.708 |
| Valerate, % | 1.29 | 1.48 | 0.11 | 0.257 |