TABLE 4.
Effects of TMR with various forage silage on rumen fermentation parameters in beef cattle
| Item | Groups b | SEM | p‐Value | |
|---|---|---|---|---|
| SS | MS | |||
| pH | 7.04 | 7.00 | 0.14 | .81 |
| Ammonia nitrogen (mg/dl) | 14.88 | 14.57 | 0.68 | .79 |
| Total volatile fatty acids (mmol/L) | 56.09 | 62.49 | 6.87 | .007 |
| Acetate (mmol/L) | 42.31 | 47.52 | 5.02 | .005 |
| Propionate (mmol/L) | 10.47 | 10.70 | 1.44 | .12 |
| Isobutyric acid (mmol/L) | 0.55 | 0.64 | 0.10 | .01 |
| Butyrate (mmol/L) | 1.97 | 2.82 | 0.38 | .001 |
| Isovaleric acid (mmol/L) | 0.33 | 0.50 | 0.08 | .008 |
| Valerate (mmol/L) | 0.29 | 0.31 | 0.11 | .96 |
| Acetate: propionate ratio | 4.04 | 4.44 | 0.61 | .13 |
a
SS group: TMR with 40% single corn silage, MS group: TMR with various silage (27% corn silage, 10% alfalfa silage, and 15% oat silage).