Table 2.
pH, IVDMD and VFA from rice straw after incubation with axenic and coculture white-rot fungi.
| Parameter | Control | P. ostreatus | P. chrysosporium | Coculture |
|---|---|---|---|---|
| pH | 6.84 ± 0.08 | 6.85 ± 0.04 | 6.97 ± 0.08 | 6.69 ± 0.06 |
| IVDMD (%) | 51.02 ± 0.61c | 75.34 ± 0.41a | 45.09 ± 0.50d | 68.08 ± 0.35b |
| Total VFA (mM) | 34.38 ± 0.10c | 38.31 ± 0.07a | 32.24 ± 0.08d | 35.27 ± 0.06b |
| Individual VFA (%total VFA) | ||||
| Acetic acid | 67.06 ± 0.02a | 66.13 ± 0.04b | 64.21 ± 0.12d | 65.03 ± 0.02c |
| Propionic acid | 22.04 ± 0.02c | 25.16 ± 0.08a | 20.19 ± 0.12d | 23.04 ± 0.02b |
| A:P | 3.09 ± 0.01b | 2.63 ± 0.01d | 3.18 ± 0.01a | 2.83 ± 0.01c |
| Isobutyric acid | 1.08 ± 0.04d | 2.50 ± 0.01c | 4.88 ± 0.17a | 3.09 ± 0.04b |
| Butyric acid | 6.02 ± 0.01a | 5.34 ± 0.07b | 4.21 ± 0.10d | 5.09 ± 0.02c |
| Isovaleric acid | 3.09 ± 0.08c | 1.09 ± 0.04d | 4.21 ± 0.21a | 3.14 ± 0.09b |
| Valeric acid | 1.13 ± 0.04b | 0.52 ± 0.03b | 2.43 ± 0.64a | 1.05 ± 0.02b |
All values are mean ± standard error. A:P, acetate propionate ratio.
a–dValues with different superscripts in a row represent significant different (P < 0.05).