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. 2020 Nov 12;7:582612. doi: 10.3389/fvets.2020.582612

Figure 4.

Figure 4

A representative photomicrograph of 40× magnification H&E stained small intestine sections of the broiler chickens. The sections from the ileal segments of PROE0 group showed free lumen and nearly normal limit gut associated lymphoid follicles (star) with a few denuded villi (arrow) (A), the sections from ileal segments of PROE1 group showed thickened and serrated (arrow) of villi due to enterocytes and goblet cell metaplasia (stars) with narrowing of the lamina propria (B). The sections from PROE2 group showed marked hyperplastic intestinal gut associated lymphoid follicles (star) (C). The sections from PROE3 showed marked fusion villi due to increase enterocytes proliferations and goblet cells metaplasia (star) (D).