Component (g/kg DM unless noted) | Corn silage | Sorghum silage | ||
---|---|---|---|---|
Mean | SEM | Mean | SEM | |
Nutrients | ||||
DM as fed | 331.9 | 4.8 | 222.7 | 0.8 |
CP | 76.8 | 0.9 | 73.7 | 1.9 |
Fat | 29.0 | 1.2 | 24.7 | 0.7 |
Ash | 43.2 | 6.0 | 79.3 | 0.4 |
NDF | 348.7 | 10.0 | 711.3 | 14.8 |
ADF | 197.4 | 5.7 | 459.9 | 11.5 |
ADL | 29.5 | 1.2 | 73.3 | 1.9 |
Starch | 351.9 | 20.2 | 25.7 | 2.4 |
NSCa | 502.4 | 10.6 | 111.9 | 15.8 |
NEL b, Mcal/kg DM | 1.82 | 0.02 | 0.92 | 0.04 |
pH | 3.68 | 0.02 | 4.08 | 0.07 |
Fatty acid profile | ||||
SFAc, % of total FAd | ||||
C16:0 | 14.4 | 0.1 | 22.6 | 0.5 |
C18:0 | 2.31 | 0.03 | 2.77 | 0.21 |
Total SFA | 19.7 | 0.4 | 34.2 | 0.9 |
MUFAe, % of total FA | ||||
C18:1 n-9 | 15.3 | 2.0 | 5.2 | 1.1 |
Total MUFA | 17.9 | 2.0 | 9.1 | 1.0 |
PUFAf, % of total FA | ||||
C18:2 n-6 | 54.4 | 1.5 | 22.6 | 1.2 |
C18:3 n-3 | 7.0 | 0.3 | 32.5 | 1.9 |
Total PUFA | 62.4 | 1.7 | 56.7 | 0.8 |
n-6, % of total FA | 54.5 | 1.5 | 22.9 | 1.2 |
n-3, % of total FA | 7.2 | 0.4 | 32.6 | 1.9 |
Particle size fraction, % retained (as-fed basis) | ||||
> 19 mm | 4.3 | 0.8 | 4.6 | 0.9 |
> 8 to 19 mm | 68.0 | 1.4 | 80.7 | 0.9 |
< 8 mm | 27.7 | 1.2 | 14.7 | 0.3 |
pefg | 0.72 | 0.01 | 0.85 | 0.01 |
peNDFh, % of DM | 24.6 | 0.6 | 62.1 | 0.4 |
Mean particle sizei, mm | 6.2 | 0.2 | 8.7 | 0.1 |