Fermentation kinetics |
Potential Gas Production (ml/200 mg DM) | 61.9 | 61.4 | 55.4 | 1.096 | 0.031 |
Rate Constant (c) | 0.059 | 0.064 | 0.060 | 0.005 | 0.082 |
Half time (t1/2 h) | 11.7 | 10.8 | 11.6 | 1.12 | 1.121 |
Lag phase (h) | 1.69 | 3.23 | 3.75 | 1.607 | 0.094 |
Degradability and methane production |
DMD % | 79.5a | 82.0a | 74.0c | 0.609 | < 0.001 |
OMD % | 81.8b | 86.6a | 80.3c | 0.379 | < 0.001 |
Gas production (mL/g) | 221a | 233a | 184b | 5.34 | < 0.001 |
Gas production (mL/g DDM) | 278 | 284 | 246 | 6.43 | 0.152 |
Gas production (mL/g DOM) | 297a | 300a | 254b | 6.45 | 0.012 |
Methane production (mL/g DM) | 50.8a | 29.8c | 34.0b | 1.64 | < 0.001 |
Methane production (mL/g DDM) | 63.9a | 36.3c | 45.9 b | 2.11 | < 0.001 |
Methane production (mL/g DOM) | 68.3a | 38.3c | 47.0b | 0.809 | < 0.001 |
Partitioning factor (g/mL) | 3.36a | 3.33a | 3.94b | 0.016 | < 0.001 |