Fig. 1

The effect of L. johnsonii on the gut permeability of CP-induced chickens. a Intestinal permeability assay—serum 4000 Da dextran (μg/ml) oral challenge measured in chickens from control, CP, L-LJ, and H-LJ groups at 28 and 42 days. b The area under curve corresponding to a in the same groups.*P < 0.05