Figure 3From: GtxA is a virulence factor that promotes a Th2-like response during Gallibacterium anatis infection in laying hensTiters for GtxA-specific IgG in serum from groups of birds. Blood drawn at the time of inoculation with either G. anatis ΔgtxA mutant (n = 4) or G. anatis wild-type (n = 8). No significant difference was found between the groups (P = 0.2).Back to article page