Figure 3
![Figure 3](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1746-6148-10-S1-S4/MediaObjects/12917_2014_Article_950_Fig3_HTML.jpg)
Total CO 2 Mean total CO2 (TCO2) + SEM in whole heparinized venous blood in control, Egusin 250®, and Egusin SLH® treated horses before treatment (0), 2, 6, 12, 24, and 48 hours after treatment. (†) denotes a significant (P < 0.05) difference in measurement from the previous time within a group. (controls = red line with diamonds; E-250 = yellow line with squares; E-SLH = blue line with triangles)