Table 1.
Ingredients and chemical composition of the experimental diets (as dry matter basis)
| Itemsa | High energy diet (HED) | High fiber diet (HFD) |
|---|---|---|
| Ingredients, kg | ||
| Corn silage | 4.51 | 4.86 |
| Alfafa hay | 2.38 | 1.39 |
| Oat hay | ─ | 2.66 |
| Extruded soybean | 0.35 | 0.27 |
| Flaked corn | 3.26 | 1.32 |
| Corn | 1.72 | 2.87 |
| DDGS | 1.79 | 1.28 |
| Salt | 0.08 | 0.07 |
| Sodium bicarbonate | 0.29 | 0.29 |
| Cottonseed | 1.36 | 0.90 |
| Soybean meal | 2.12 | 1.82 |
| Beet pulp | 1.00 | 0.43 |
| Additives | 2.04 | 1.34 |
| Contents, % | ||
| DM as fed | 56.4 | 53.5 |
| Crude protein | 17.98 | 17.00 |
| NEL, MCal/kgb | 1.81 | 1.67 |
| Fat | 5.78 | 4.43 |
| NDF | 32.84 | 37.81 |
| ADF | 17.86 | 20.53 |
| NFC | 40.02 | 38.35 |
| Ca | 0.80 | 0.80 |
| P | 0.39 | 0.36 |
a DDGS dried distillers grains with solubles, DM dry matter, NE L net energy requirement for lactation, NDF neutral detergent fiber, ADF acid detergent fiber, NFC nonfiber carbohydrates, Ca calcium, P phosphorus
bCalculated using equations from NRC (2001)