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Weighted Principal Component Analysis (PCA) plots comparing baseline fecal, and endpoint fecal and cecal samples of the 32 mice. (A) Baseline fecal grouped by bedding (n = 16 per group), (B) endpoint fecal grouped by bedding and diet (n = 8 per group), and (C) endpoint cecal grouped by bedding and diet (n = 8 per group). Baseline fecal was analyzed using PermANOVA; both endpoint data were analyzed using 2-way PermANOVA. *P < 0.05 and ‡P < 0.001.
