Table 1.
The composition and nutritional ingredients of the experimental diet (dry matter basis).
| Ingredients | Content (%) | |
|---|---|---|
| Stage | ||
| I | II | |
| Alfalfa meal | 20.00 | 20.00 |
| Leymus chinensis | 35.00 | 35.00 |
| Corn | 38.47 | 39.15 |
| Soybean meal | 4.50 | 4.50 |
| Premix 1 | 0.45 | 0.45 |
| NaCl | 0.45 | 0.45 |
| Baking soda | 0.45 | 0.45 |
| CaCO3 | 0.08 | - |
| CaHPO4 | 0.60 | - |
| Total | 100.00 | 100.00 |
| Nutrition levels 2 | ||
| Metabolic energy (ME) (MJ/kg) | 9.33 | 9.46 |
| Crude protein (CP) | 9.71 | 9.79 |
| Acid detergent fiber (ADF) | 24.07 | 24.07 |
| Neutral detergent fiber (NDF) | 36.11 | 36.20 |
| Calcium (calcium) | 0.52 | 0.35 |
| Phosphorus (P) | 0.33 | 0.22 |
| Ca/P | 1.58 | 1.59 |
Note: 1 Premix provides the following per kg of the diet: Fe: (as ferrous sulfate) 30 mg, Cu: (as copper sulfate) 10 mg, Zn: (as zinc sulfate) 50 mg, Mn: (as manganese sulfate) 60 mg, VA: 2 937 IU, VD: 343 IU, VE: 30 IU. 2 ME is a calculated value, and the others are measured values.