Table 3.
Effect of different levels of biochanin A on the milk composition of cows.
| Item | Treatment1 |
SEM | P-value | ||
|---|---|---|---|---|---|
| Control | Low | High | |||
| Milk composition, % | |||||
| Protein | 3.71 | 3.65 | 3.67 | 0.044 | 0.816 |
| Fat | 4.18 | 4.29 | 4.13 | 0.094 | 0.759 |
| Lactose | 5.26 | 5.18 | 5.23 | 0.027 | 0.513 |
| Non-fat milk solid | 9.75 | 9.66 | 9.67 | 0.059 | 0.726 |
| Total milk solid | 13.93 | 13.94 | 13.81 | 0.138 | 0.889 |
| Milk component yield, g/d | |||||
| Protein | 1300b | 1271b | 1420a | 19.0 | 0.017 |
| Fat | 1473 | 1512 | 1563 | 31.6 | 0.521 |
| Lactose | 1862b | 1824b | 1965a | 28.7 | 0.017 |
| Non-fat milk solid | 3451b | 3401b | 3630a | 44.7 | 0.015 |
| Total milk solid | 4924 | 4913 | 5173 | 64.3 | 0.108 |
a,b Means within a row with different superscripts differ significantly (P < 0.05).
Control, basic diet without biochanin A; Low, basic diet with biochanin A at 10 g/d per cow; High, basic diet with biochanin A at 40 g/d per cow.