Figure 4: C. jejuni infection affects villi structure and bile staining in ileal tissue.

Light microscopy examination of ileal tissue taken immediately after post mortem 4 days p.i. with C. jejuni strain 81–176. (a) Rounded blunt villi and reduced bile staining was observed in ileal tissue from infect piglets. (b) In uninfected piglets the villi were pointed and a clear bile staining was observed.