Table 8.
Pearson's correlation coefficient analysis for archaea genera in solid phase compared to fermentation parameters and gas production in vitro.
| Methanimicrococcus | Methanobacterium | Methanobrevibacter | Methanosaeta | Methanosarcina | Methanosphaera | Vadin CA11 | |
|---|---|---|---|---|---|---|---|
| Total fermentation gas | 0.27 | 0.19 | -0.28 | -0.21 | 0.03 | 0.17 | -0.08 |
| CH4 | 0.22 | 0.26 | -0.29 | -0.18 | -0.01 | 0.17 | -0.08 |
| CO2 | 0.06 | -0.12 | -0.02 | 0.03 | 0.00 | 0.07 | -0.14 |
| CH4/g OM | 0.12 | 0.30 | -0.26 | -0.19 | 0.00 | 0.19 | -0.03 |
| CH4/g DM | 0.11 | 0.30 | -0.26 | -0.19 | 0.00 | 0.19 | -0.03 |
| MCR (%GE intake) | 0.22 | 0.26 | -0.29 | -0.18 | -0.01 | 0.17 | -0.08 |
| [2H] produced acetate | -0.05 | -0.05 | -0.09 | 0.16 | 0.03 | 0.16 | -0.08 |
| [2H] produced butyrate | 0.06 | -0.10 | 0.18 | -0.05 | -0.08 | -0.18 | 0.10 |
| [2H] produced caproate | 0.30 | -0.08 | -0.05 | -0.09 | -0.11 | -0.12 | 0.01 |
| [2H]+ produced (pathway 1) | -0.03 | -0.09 | -0.02 | 0.14 | 0.0002 | 0.09 | -0.04 |
| [2H] produced (pathway 2) | 0.03 | -0.11 | -0.03 | 0.12 | -0.02 | 0.06 | -0.03 |
| [2H] utilized propionate | -0.26 | -0.07 | 0.10 | 0.09 | 0.02 | 0.03 | 0.02 |
| [2H] utilized valerate | 0.23 | 0.01 | -0.20 | -0.08 | -0.16 | 0.11 | -0.12 |
| [2H] utilized caproate | 0.30 | -0.08 | -0.05 | -0.09 | -0.11 | -0.12 | 0.01 |
| [2H] utilized CH4 | 0.21 | 0.26 | -0.29 | -0.18 | 0.00 | 0.17 | -0.08 |
| [2H] utilized (pathway 1) | 0.25 | 0.11 | -0.24 | -0.16 | -0.10 | 0.08 | -0.06 |
| [2H] utilized (pathway 2) | 0.03 | 0.18 | -0.22 | -0.10 | -0.02 | 0.19 | -0.07 |
| [2H] gain (pathway 1) | -0.19 | -0.17 | 0.12 | 0.25 | 0.06 | 0.04 | 0.00 |
| [2H] gain (pathway 2) | 0.02 | -0.23 | 0.09 | 0.20 | -0.01 | -0.04 | 0.00 |
| [2H] recovery (pathway1) | 0.28 | 0.15 | -0.21 | -0.24 | -0.10 | 0.00 | -0.05 |
| [2H] recovery (pathway2) | 0.04 | 0.26 | -0.22 | -0.18 | -0.01 | 0.16 | -0.05 |
∗Bold cells show a significant correlation (P < 0.05). 1Propanyl CoA as intermediate in caproate formation. 2Acetyl CoA as intermediate in caproate formation.