Table 3.
Influence of GH inclusion in replacement of corn silage on particle size distribution of TMR from newly weaned beef steers during the feedlot receiving phasea
| GH inclusion, % (DM basis) | P-value | |||||
|---|---|---|---|---|---|---|
| Item | 0 | 10 | 20 | SEM | Linear | Quadratic |
| Replicates, n | 7 | 7 | 7 | — | — | — |
| Pens, n | 6 | 6 | 6 | — | — | — |
| TMR, % (as-is basis) | ||||||
| Large (≥19 mm) | 6.4 | 11.9 | 16.3 | 0.27 | 0.01 | 0.15 |
| Medium (8 to 19 mm) | 61.6 | 54.1 | 47.7 | 0.36 | 0.01 | 0.23 |
| Small (4 to 8 mm) | 11.4 | 10.3 | 9.8 | 0.07 | 0.01 | 0.01 |
| Less than 4 mm | 20.6 | 23.8 | 26.2 | 0.27 | 0.01 | 0.30 |
| Greater than 4 mm | 79.4 | 76.2 | 73.8 | 0.27 | 0.01 | 0.30 |
aDetermined according to the study of Kononoff et al. (2003).