Fig. 1From: Effect of antimicrobials administered via liquid feed on the occurrence of sulphonamide and trimethoprim resistant Enterobacteriaceae: case-control studyTime course of Enterobacteriaceae (EB) counts in the liquid feed of the case farms and the control farms. Colony forming units (cfu) per ml feed (arithmetic means and standard errors of the samples collected from the drop pipes and the ring lines). Case farms: values within each panel with different superscripts differ (p < 0.05)Back to article page