Fig. 5.

The number of ileum IgA⁺ cells increases after oral inactivated PEDV. IgA⁺ cells were showed by immumohistochemical staining. The number of IgA⁺ cells in per view was counted and statistical analysis was performed. Scale bar = 100 μm, n = 10, * P < 0.05, ** P < 0.01