Table 1.
Ingredient composition and nutrition levels of the diet (% of DM).
| Items | Content (%) |
|---|---|
| Diet composition | |
| Chinese leymus | 37.5 |
| Corn silage | 22.5 |
| Corn | 15.2 |
| Wheat bran | 5.3 |
| Soybean meal | 9.2 |
| DDGS | 8.4 |
| Calcium hydrophosphate | 1.4 |
| Premixa | 0.5 |
| Nutrient composition | |
| CP | 13.1 |
| NDF | 39.6 |
| Ca | 0.6 |
| P | 0.4 |
| NELb, MJ/kg DM | 5.4 |
a
One kilogram of premix contained mixed vitamins, 800,000 IU; Fe, 1,500 mg; Cu, 1,000 mg; Zn, 11,000 mg; Mn, 3,500 mg; Se, 80 mg; I, 200 mg; and Co, 50 mg.
b
NEL was calculated. DDGS, distillers dried grains with soluble; CP, crude protein; DNF, neutral detergent fiber; NEL, Net energy of Lactation.