Table 3. Lipopolysaccharide (LPS) concentrations in the jugular, portal, and hepatic veins of lactating cows from treatment and control groups.

LPS (EU/mL)	Control	High concentrate	p-value
Jugular	0.24 ± 0.04	0.62 ± 0.03	0.061*
Hepatic vein	0.21 ± 0.05	0.60 ± 0.03	0.025*
Portal vein	0.30 ± 0.02	0.95 ± 0.05	0.034*

Data are presented as the means ± SEM (n = 5/group). *p < 0.05 indicates statistically significant differences when compared with the control group.