Table 7.
Effects of delayed corn silage harvest on growing steer performance (experiment 2)
| Item | Treatmentsa | ||||
|---|---|---|---|---|---|
| 37% DM | 43% DM | SEM | P value | ||
| Initial BW, kg | 271 | 271 | 1.8 | 0.92 | |
| Ending BW, kg | 384 | 375 | 3.0 | 0.04 | |
| DMI, kg/d | 8.2 | 8.1 | 0.1 | 0.93 | |
| ADG, kg | 1.45 | 1.33 | 0.03 | 0.01 | |
| G:F | 0.177 | 0.164 | 0.001 | <0.01 | |
| NEm, Mcal/kg DMb | 1.73 | 1.65 | 0.02 | <0.01 | |
| NEg, Mcal/kg DMb | 1.11 | 1.04 | 0.02 | <0.01 |
aTreatments: steers were fed 88% of either 37% or 43% DM corn silage.
bNEm and NEg were calculated using methodology of NRC (1996) using a tool developed by Galyean (2009) assuming a 625 kg target endpoint.