Table 1 Chemical composition, fermentation characteristics and particle size of silage crops (% of DM) 1
Silage crop2 | |||
|---|---|---|---|
Item | MBB | BAB | CCS |
DM | 55.77 ± 13.03 | 51.60 ± 9.70 | 29.23 ± 1.13 |
CP | 10.32 ± 0.38 | 12.64 ± 0.89 | 9.53 ± 0.46 |
ADF | 42.18 ± 1.19 | 41.50 ± 0.60 | 26.55 ± 0.83 |
NDF | 76.56 ± 1.73 | 71.80 ± 1.76 | 45.70 ± 1.94 |
IVTD3 | 68.12 ± 5.97 | 71.34 ± 3.54 | 80.61 ± 2.50 |
NEL, Mcal/kg | 1.23 ± 0.04 | 1.32 ± 0.06 | 1.56 ± 0.04 |
WSC3 | 2.22 ± 0.96 | 3.77 ± 1.05 | 10.26 ± 4.20 |
pH | 5.71 ± 0.55 | 5.39 ± 0.32 | 3.76 ± 0.09 |
Lactate | 0.73 ± 0.29 | 0.58 ± 0.12 | 3.47 ± 0.59 |
Acetate | 0.24 ± 0.12 | 0.27 ± 0.05 | 4.78 ± 1.57 |
Propionate | 0.00 | 0.00 | 0.69 ± 0.29 |
Butyrate | 0.00 | 0.03 ± 0.01 | 0.05 ± 0.02 |
Isobutyrate | 0.02 ± 0.01 | 0.00 | 0.00 |
Valerate | 0.04 ± 0.10 | 0.03 ± 0.06 | 0.00 |
Isovalerate | 0.01 ± 0.01 | 0.00 | 0.00 |
Calcium | 0.32 ± 0.03 | 0.57 ± 0.07 | 0.15 ± 0.05 |
Phosphorus | 0.17 ± 0.01 | 0.27 ± 0.02 | 0.87 ± 0.21 |
Potassium | 1.49 ± 0.29 | 1.88 ± 0.12 | 0.96 ± 0.23 |
Magnesium | 0.25 ± 0.05 | 0.23 ± 0.02 | 0.13 ± 0.01 |
Copper, ppm | 4.00 ± 1.45 | 3.61 ± 1.66 | 2.29 ± 2.01 |
Manganese, ppm | 236.1 ± 121.1 | 147.0 ± 63.0 | 35.38 ± 8.79 |
Zinc, ppm | 25.71 ± 4.18 | 22.2 ± 3.65 | 24.63 ± 1.58 |
Post-ensiling particle size4 | % of total | ||
< 1.0 cm | 24.9 ± 14.4 | 22.5 ± 12.1 | 37.5 ± 29.0 |
1 to 7.4 cm | 13.9 ± 3.5 | 13.2 ± 1.7 | 13.2 ± 4.4 |
7.5 to 14.8 cm | 17.4 ± 2.0 | 25.9 ± 1.6 | 16.7 ± 6.9 |
14.9 to 22.2 cm | 16.2 ± 4.9 | 22.3 ± 4.8 | 17.2 ± 10.6 |
22.3 to 29.6 cm | 13. 1 ± 5.3 | 10.5 ± 4.3 | 8.6 ± 9.1 |
> 29.7 cm | 14.4 ± 10.5 | 5.6 ± 5.1 | 6.8 ± 5.9 |