Fig. 2From: Biomarkers of selenium status in dogsGlutathione peroxidase activity (U/L) in whole blood of dogs fed a low or adequate selenium diet. The low selenium diet contained 6.5Ā Ī¼g/MJ and the adequate selenium diet 46.1Ā Ī¼g/MJ. Black triangles are dogs on the adequate selenium diet, open squares are dogs on the low selenium diet. Values at week zero indicate the average baseline values. Symbols represent the means and error bars indicate their standard errors, based on the raw dataBack to article page