Fig. 2

Concentrations/levels of inflammatory biomarkers measured in blood from 6 horses before and after intra-articular injection of 3 μg E. coli O55:B5 lipopolysaccharide (LPS) in one antebrachiocarpal joint (a white blood cell count [WBC]; b total protein [TP]; c serum amyloid A [SAA]; d haptoglobin; e iron). Individual horse responses and estimated means ± standard error of the mean (black line) are depicted. Results of the statistical analyses are shown in Table 3