Table 1 Ingredient and nutrient composition of the diets
Item | Hay diet | High grain diet |
|---|---|---|
Ingredient composition, % DM | ||
 Chinese wildrye | 81.00 | 30.00 |
 Alfalfa | 15.00 | 0 |
 Corn meal | 0 | 45.00 |
 Wheat meal | 0 | 20.00 |
 Soybean | 0 | 1.10 |
 CaCO3 | 0.50 | 0.95 |
 NaCl, Salt | 0.80 | 0.65 |
 CaHPO4 | 1.70 | 1.20 |
 Mineral and vitamin supplement | 1.00 | 1.00 |
 NaHCO3 | 0 | 0.10 |
Nutrient composition | ||
 Metabolic energy, MJ/kg DM | 8.31 | 11.31 |
 Crude protein, % DM | 10.06 | 10.06 |
 Crude fat, % DM | 3.55 | 3.59 |
 Crude fiber, % DM | 30.17 | 11.18 |
 Neutral detergent fiber, % DM | 57.01 | 25.23 |
 Acid detergent fiber, % DM | 35.72 | 13.55 |
 Crude ash, % DM | 10.62 | 6.52 |
 Starch, % DM | NDa | 58.23 |