Table 3.
Effect of increased inclusion of a Saccharomyces cerevisiae fermentation product (SCFP) on total tract nutrient digestibility by newly weaned beef steers
| Treatment1 | SEM2 | P-value | ||||
|---|---|---|---|---|---|---|
| CON | SCFP14 | SCFP28 | CON vs. SCFP14 |
SCFP14 vs. SCFP28 |
||
| DMI, kg/d3 | 9.7 | 9.6 | 8.9 | 0.46 | 0.85 | 0.33 |
| DM, % | 64.7 | 66.2 | 63.2 | 0.90 | 0.24 | 0.02 |
| OM, % | 67.1 | 68.4 | 65.2 | 0.97 | 0.36 | 0.03 |
| NDF, % | 61.2 | 61.5 | 60.5 | 0.87 | 0.80 | 0.39 |
| ADF, % | 58.6 | 57.9 | 57.3 | 1.13 | 0.64 | 0.72 |
| CP, % | 60.0 | 63.8 | 64.0 | 0.61 | <0.01 | 0.74 |
1CON = Original XPC (Diamond V, Cedar Rapids, IA) at 0 g·steer−1·d−1; SCFP14 = Original XPC at 14 g·steer−1·d−1; SCFP28 = Original XPC at 28 g·steer−1·d−1.
2Highest SEM of any treatment reported.
3DMI for titanium feeding period (days 12 to 27) used as a covariate in analysis of all nutrient digestibility data.