Table 3.
Milk production and composition for dairy cows offered fermented Chinese herbal medicine (CHMs)
| D 14, CHMs dose, g/d | D 28, CHMs dose, g/d | D 42, CHMs dose, g/d | P-value | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Items | 0 | 25 | 50 | 100 | SEM | 0 | 25 | 50 | 100 | SEM | 0 | 25 | 50 | 100 | SEM | 2D | 3P | 4D×P |
| Milk yield, kg/d | ||||||||||||||||||
| Milk | 16.3 | 16.0 | 16.9 | 16.6 | 0.21 | 15.9 | 16.7 | 17.6 | 18.0 | 0.26 | 15.1 | 16.9 | 16.8 | 17.3 | 0.27 | 0.03 | 0.08 | 0.29 |
| 4% FCM1 | 14.3 | 14.0 | 15.1 | 15.3 | 0.40 | 14.4 | 14.3 | 14.9 | 15.4 | 0.24 | 13.7 | 14.4 | 15.2 | 15.2 | 0.19 | 0.05 | 0.99 | 0.99 |
| Milk composition, % | ||||||||||||||||||
| Protein | 3.46 | 3.46 | 3.55 | 3.63 | 0.04 | 3.43 | 3.42 | 3.60 | 3.66 | 0.03 | 3.44 | 3.49 | 3.60 | 3.69 | 0.04 | 0.05 | 0.72 | 0.98 |
| Fat | 2.89 | 2.80 | 2.86 | 2.82 | 0.06 | 2.90 | 3.09 | 3.37 | 3.49 | 0.05 | 2.84 | 3.12 | 3.38 | 3.34 | 0.08 | <0.01 | <0.01 | 0.24 |
| Lactose | 5.14 | 5.16 | 5.19 | 5.22 | 0.06 | 5.14 | 5.01 | 5.23 | 5.05 | 0.06 | 4.92 | 4.91 | 5.11 | 5.10 | 0.05 | 0.38 | 0.09 | 0.95 |
14% fat-corrected milk.
2D = dose effect: 0, 25, 50, or 100 g CHMs supplementation per cow per day.
3P = period effect: experimental period for 14, 28, and 42 d.
4D × P = interaction between dose and period.