Table 4.
Effects of infusion of milk precursors into external pudic artery on rumen pH in lactating dairy cows.
Treatments | Experimental group | Control group | SEM | P-value |
---|---|---|---|---|
CSC | 6.81 | 6.45 | 0.078 | 0.01 |
CSF | 6.67 | 6.39 | 0.078 | 0.01 |
CSA | 6.99 | 6.72 | 0.075 | 0.02 |
CSFA | 6.90 | 6.81 | 0.09 | 0.47 |
SEM = standard errors of the mean; CSC = carrier infusion; CSF = milk fat precursor infusion; CSA = milk protein precursor infusion; CSFA = the mixed infusion of milk fat and protein precursors.