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Effect of oregano supplementation on the ileal morphology. Statistical analysis of villus height (A); villus surface area (B); crypt depth (C); villus/crypt ratio (D). Results shown as mean ± SD and P < 0.05 was considered statistically significant (*P < 0.05 and **P < 0.01). Microphotography of ileum of the control (E) and 2% oregano supplemented broiler (F); H&E, bar = 200μm.
