| Parameter |
K1 group |
K2 group |
C group |
| Milk yield (kg/d) |
28.99±7.37 |
30.82±8.19 |
34.07±6.70 |
Postpartum day (d） |
16.15±4.50 |
15.20±5.01 |
16.30±2.95 |
| Body condition score |
3.07±0.38ab |
3.17±0.28a |
2.80±0.33b |
| Glc (mmol/L） |
2.03±0.33A |
3.31±0.57 |
3.02±0.30 |
| BHBA (mmol/L） |
3.35±1.48A |
1.85±0.67B |
0.76±0.34C |
| NEFA (mmol/L) |
1.42±0.65A |
0.98±0.32B |
0.35±0.12C |
| Ins (mIU/L) |
6.60±1.25 |
6.90±1.08 |
7.07±1.07 |
| AST (U/L) |
28.53±19.41 |
52.24±51.42 |
49.15±31.89 |
| TG (mmol/L) |
0.09±0.02 |
0.09±0.01 |
0.09±0.02 |
|
| Different uppercase and lowercase letters within a row represent significant differences at P < 0.01 and P < 0.05, respectively. |
| Table 1: Clinical data and biochemical parameters in three groups of dairy cows. |