Table 3.
Effects of different additive treatments on the fermentation quality (g kg−1 DM, unless stated otherwise) of whole crop maize silage after 30 days fermentation
| Treatment* | SEM | P-value | |||
|---|---|---|---|---|---|
| CK | FU | EN | |||
| Lactic acid | 57.6b | 75.0a | 80.5a | 3.7 | 0.016 |
| Acetic acid | 16.7a | 12.9b | 14.0b | 0.7 | 0.033 |
| Butyric acid | ND | ND | ND | – | – |
| Lactic acid/acetic acid (%) | 3.41b | 5.94a | 5.90a | 0.41 | 0.005 |
| NH3-N/total nitrogen (%) | 7.35a | 5.96b | 5.88b | 2.51 | 0.012 |
CK: control; FU: fungus addition; EN: compound enzyme addition; SEM: standard error of means; ND: not detected
*Mean values with different superscript letter within the row differ significantly (P < 0.05)