Table 5. In vivo milk production performance of dairy cows fed with reductive acetogens.
Items | Control | GA031) | SEM | p-value | |
---|---|---|---|---|---|
Feed intake (kg/d)2) | 19.18 | 20.27 | 0.450 | 0.110 | |
Milk yield (kg/d) | 0 day | 30.90 | 26.37 | 0.620 | 0.001 |
60 days | 25.83 | 23.97 | 0.396 | 0.008 | |
Differences3) | −5.07 | −2.40 | 0.306 | <.0001 | |
Milk fat (%) | 0 day | 3.83 | 3.69 | 0.043 | 0.043 |
60 days | 3.59 | 3.58 | 0.029 | 0.849 | |
Differences | −0.24 | −0.11 | 0.025 | 0.003 | |
Milk protein (%) | 0 day | 3.41 | 3.28 | 0.029 | 0.023 |
60 days | 3.14 | 3.32 | 0.023 | <.0001 | |
Differences | −0.27 | 0.04 | 0.030 | <.0001 | |
SSC (×103/mL) | 0 day | 138.14 | 128.43 | 2.110 | 0.007 |
60 days | 395.71 | 107.00 | 16.750 | <.0001 | |
Differences | 257.57 | −21.43 | 17.705 | <.0001 |
Group treated with reductive acetogenic bacteria.
Dry matter basis.
The minus (–) symbol indicates reduction.
SEM, standard error of the means; SSC, somatic cell count.