Table 5 Effects of feeding mixed phytoncide essential oil and soybean oil to dairy cows for 35 days on milk compositions.
Items2 (%) | Control | SEM | PSO1 | SEM | P-value | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
0 d | 21 d | 35 d | 0 d | 21 d | 35 d | PSO (P) | Days (D) | P × D | |||
Milk fat | 5.2 | 5.0 | 5.3 | 0.13 | 5.6 | 4.2 | 4.2 | 0.20 | 0.021 | < 0.01 | 0.013 |
4% FCM (kg/day) | 38.0 | 35.4 | 37.5 | 1.89 | 44.4 | 38.5 | 38.0 | 2.32 | 0.291 | 0.487 | 0.734 |
Milk fat (kg/day) | 1.7 | 1.5 | 1.7 | 0.09 | 2.0 | 1.6 | 1.5 | 0.11 | 0.576 | 0.205 | 0.450 |
Milk protein | 3.4 | 3.2 | 3.3 | 0.04 | 3.4 | 3.2 | 3.4 | 0.04 | 0.572 | 0.007 | 0.719 |
Lactose | 4.7 | 4.4 | 4.7 | 0.03 | 4.7 | 4.4 | 4.8 | 0.04 | 0.973 | 0.022 | 0.732 |
SNF | 8.6 | 8.3 | 8.7 | 0.05 | 8.7 | 8.2 | 8.8 | 0.07 | 0.694 | 0.015 | 0.626 |
SCs | 106.7 | 193.3 | 208.5 | 41.94 | 128.4 | 628.2 | 233.5 | 141.12 | 0.277 | 0.259 | 0.421 |
MUN | 18.6 | 17.0 | 20.7 | 0.36 | 18.1 | 12.4 | 16.8 | 0.47 | < 0.01 | < 0.01 | < 0.01 |
Acetone | 0.003 | 0 | 0.007 | 0.00 | 0 | 0 | 0.026 | 0.01 | 0.146 | < 0.01 | 0.062 |
BHB | 0.001 | 0 | 0 | 0.00 | 0 | 0 | 0.003 | 0.00 | 0.531 | 0.502 | 0.283 |
Β-Casein | 2.6 | 2.5 | 2.6 | 0.03 | 2.67 | 2.5 | 2.62 | 0.04 | 0.764 | 0.011 | 0.618 |
