Item | LE | CON | HE | p-value |
---|---|---|---|---|
Ammonia nitrogen, mmol/L | 8.8 ± 0.39 | 10.09 ± 0.87 | 8.38 ± 1.23 | 0.75 |
pH | 5.98 ± 0.05 | 5.78 ± 0.20 | 5.70 ± 0.21 | 0.25 |
MCP, μg/mL | 1149.88 ± 120.94a | 1224.08 ± 98.95a | 2777.78 ± 163.53b | 0.01 |
Acetic acid, mmol/L | 44.54 ± 3.12b | 35.37 ± 3.88 ab | 32.09 ± 3.48a | 0.02 |
Propionic acid, mmol/L | 9.57 ± 3.12 ab | 12.07 ± 3.88 b | 7.22 ± 3.48 a | 0.01 |
Isobutyric acid, mmol/L | 0.83 ± 0.09 b | 0.94 ± 0.09b | 0.57 ± 0.06a | 0.01 |
Butyric acid, mmol/L | 6.48 ± 0.39 a | 6.75 ± 0.96 a | 12.26 ± 1.01b | 0.01 |
Isovaleric acid, mmol/L | 0.97 ± 0.11 b | 1.18 ± 0.08 b | 0.58 ± 0.08 a | 0.01 |
Valeric acid, mmol/L | 0.47 ± 0.04 a | 0.78 ± 0.12 b | 0.60 ± 0.08 | 0.02 |
Acetic / Propionic ratio | 4.70 ± 0.35 ab | 3.10 ± 0.37 a | 4.82 ± 0.81b | 0.04 |
Total VFA, mmol/L | 62.83 ± 3.26 | 57.07 ± 5.47 | 53.3 ± 3.67 | 0.75 |