Fig. 2From: Differences in the gut microbiota of dogs (Canis lupus familiaris) fed a natural diet or a commercial feed revealed by the Illumina MiSeq platformBox plots of the alpha diversity indices in the two diet groups. ND, natural diet group; CF, commercial feed group. Asterisks refer to extreme values, and circles refer to potential outliers. a The number of OTUs, b Ace richness estimates, c Chao1 richness values, d Shannon diversity indices, and e Simpson diversity indicesBack to article page