Table 2.
Nutrient composition (% of DM unless otherwise noted) of TMR1
| Nutrient | Normal TMR | TMR with straw |
|---|---|---|
| DM (% as fed) | 51.5 ± 1.9 | 61.2 ± 3.6 |
| OM | 93.2 ± 0.6 | 92.4 ± 0.5 |
| CP | 15.1 ± 1.1 | 10.8 ± 1.3 |
| NDF | 32.1 ± 0.7 | 50.5 ± 3.0 |
| ADF | 21.9 ± 0.8 | 35.6 ± 3.0 |
| Lignin | 3.1 ± 0.3 | 4.9 ± 0.5 |
| NFC | 42.1 ± 1.4 | 27.0 ± 3.3 |
| Ether extract | 4.6 ± 0.5 | 4.6 ± 2.7 |
| Starch | 26.8 ± 2.6 | 17.0 ± 1.9 |
| Ash | 6.8 ± 0.6 | 7.6 ± 0.5 |
| TDN1× | 72.3 ± 1.6 | 62.8 ± 2.8 |
| NEL (Mcal/kg) | 1.65 ± 0.0 | 1.42 ± 0.1 |
1
Treatments were normal TMR diet (no wheat straw added to TMR) and TMR with wheat straw (straw added to TMR at 50% on DM basis).