|  | Treatments |  | |
---|---|---|---|---|
Parameters | Control | COM246 | COM345 | COM456 |
Total volatile fatty acids (mM) | 61.48 ± 2.13b | 68.38 ± 1.83a | 68.32 ± 1.48a | 68.95 ± 1.61a |
Acetic | 40 .11 ± 1.78 | 43.42 ± 1.28 | 43.65 ± 2.87 | 43.98 ± 1.63 |
Priopionic | 8.52 ± 0.50b | 9.62 ± 0.44a | 9.78 ± 0.61a | 9.61 ± 0.52a |
Butyric | 6.47 ± 0.53b | 8.83 ± 0.67a | 8.38 ± 0.75a | 8.67 ± 0.63a |
iso-butyric | 1.32 ± 0.10 | 1.42 ± 0.08 | 1.33 ± 0.12 | 1.44 ± 0.09 |
iso-valeric | 5.03 ± 0.18 | 5.06 ± 0.12 | 5.13 ± 0.14 | 5.15 ± 0.13 |
pH value | 6.94 ± 0.06a | 6.65 ± 0.05b | 6.54 ± 0.04c | 6.52 ± 0.05c |