Fig. 7From: Acute changes in the colonic microbiota are associated with large intestinal forms of surgical colicPrincipal coordinate analysis of faecal microbiota in control and case horses on admission. Clustering by sample source is evident in plots created following calculation of (a) Weighted-UniFrac and (b) Bray–Curtis dissimilarity metrics from the data. Each dot represents a sample. Dots are coloured by groupsBack to article page