Table 1.
Ingredients and chemical composition of supplementary concentrations (air-dry basis).
| Items | HLB | RSM | HLB + RSM |
|---|---|---|---|
| Ingredient composition (%) | |||
| Highland barley | 96.60 | 0 | 87.00 |
| Rapeseed meal | 0 | 99.0 | 9.60 |
| NaCl | 1.00 | 1.00 | 1.00 |
| Dicalcium phosphate | 2.40 | 0 | 2.40 |
| In total | 100.00 | 100.00 | 100.00 |
| Chemical composition (%) | |||
| NEmf 1 (MJ/kg) | 6.93 | 6.70 | 6.90 |
| Dry matter | 90.33 | 91.25 | 90.74 |
| Crude protein | 10.41 | 36.03 | 12.90 |
| Neutral detergent fiber | 54.74 | 34.15 | 51.95 |
| Acid detergent fiber | 8.26 | 26.58 | 10.12 |
| Calcium | 0.68 | 0.72 | 0.73 |
| Phosphorus | 0.67 | 1.04 | 7.70 |
1 NEmf was referenced from NY/T815-2004 [22], the others were measured values.