Table 1.
Silage quality parameters and chemical composition of garlic stalk in relation to the ensiling duration
| Items | Ensiling duration (d) | SE | p-value | |||
|---|---|---|---|---|---|---|
|
| ||||||
| 0 | 7 | 14 | 28 | |||
| Silage quality parameters | ||||||
| pH | 8.06c | 7.68b | 7.69b | 6.80a | 0.28 | <0.001 |
| WSC (% of DM) | 2.10a | 1.51b | 1.92a | 1.44b | 0.20 | 0.021 |
| Lactic acid (% of DM) | 0.42a | 0.40a | 0.42a | 0.49b | 0.03 | 0.013 |
| NH3-N (ppm) | 143a | 311b | 424b | 631c | 24.8 | <0.001 |
| Lactic acid bacteria, log10 cfu/g1) | 7.93 | 8.36 | 8.15 | 8.23 | 0.13 | 0.069 |
| Chemical composition | ||||||
| Dry matter (%) | 63.2 | 64.4 | 63.5 | 62.8 | 0.81 | 0.325 |
| Crude protein (% of DM) | 7.02a | 7.01a | 6.40b | 6.32b | 0.20 | 0.002 |
| True protein (% of crude protein) | 57.8 | 52.8 | 56.2 | 52.8 | 1.31 | 0.123 |
| NPN (% of crude protein) | 42.2 | 47.2 | 43.8 | 47.2 | 1.33 | 0.123 |
| NDF (% of DM) | 49.7 | 50.4 | 48.8 | 49.4 | 1.41 | 0.532 |
| ADF (% of DM) | 48.4 | 49.9 | 50.2 | 48.9 | 1.54 | 0.806 |
| Ether extract (% of DM) | 1.73 | 1.58 | 1.57 | 1.70 | 0.21 | 0.974 |
| Crude ash (% of DM) | 15.9 | 15.5 | 16.9 | 16.7 | 0.34 | 0.322 |
Means of five observations.
SE, standard error; WSC, water-soluble carbohydrates; DM, dry matter; NPN, non-protein nitrogen; NDF, neutral detergent fiber; ADF, acid detergent fiber.
1)
Colony-forming units per gram of fresh biomass or silage mass.
a–c
Means with different superscripts within the same row differ.