Table 2.
Diet ingredients and chemical composition
| Control diet | SARA diet | |
|---|---|---|
| Ingredients (% of DM) | ||
| TMR | 100 | 60 |
| Wheat/barley pellets | 0 | 40 |
| Forage | 75 | 45 |
| Chemical composition (% of DM) | ||
| DM % | 45.1 | 55.6 |
| Crude protein | 17.8 | 15.0 |
| Crude fat | 3.5 | 4.6 |
| NDF | 43.8 | 31.3 |
| Forage NDF | 26.5 | 15.9 |
| ADF | 22.4 | 16.2 |
| Starch | 19.6 | 31.8 |
| Ash | 8.8 | 6.1 |
| Ca (g/kg) | 6.6 | 4.2 |
| P (g/kg) | 3.8 | 3.5 |
| K (g/kg) | 15.1 | 10.9 |
| Mg (g/kg) | 2.4 | 1.9 |
| Na (g/kg) | 2.2 | 1.4 |
| DCAD (mEq/kgDM) | 272.1 | 213.3 |
Ingredients and mean chemical composition of diets fed to control cows and before challenge (control), and during SARA challenge (SARA).