Fig. 1From: The impact of Aloe vera and licorice extracts on selected mechanisms of humoral and cell-mediated immunity in pigeons experimentally infected with PPMV-1Mean relative expression of the genes encoding IFN-ɣ and CD3, CD4, CD8 receptors, in splenic mononuclear cells of pigeons administered herbal extracts, at 4, 7 and 14 dpi. The mean relative expression values above 1 (black line) in groups A-D indicate higher gene expression in comparison with the control group (K). The statistical differences between groups are marked with an asterisk. Error bars represent the standard error of the meanBack to article page