Fig. 2From: Dietary oregano essential oil supplementation improves intestinal functions and alters gut microbiota in late-phase laying hensAlpha (a) and Beta (b) diversity analysis of ileal microbiota from laying hens. Beta diversity analysis with principal coordinates analysis (PCoA) was based on the unweighted UniFrac distance. c, control; e, essential oil-supplemented group (control + essential oil addition at 200 mg/kg)Back to article page