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. 2022 Apr 4;13:809139. doi: 10.3389/fmicb.2022.809139

FIGURE 2.

FIGURE 2

Changes in α- and β-diversity as well as composition of fecal microbiota in subclinical mastitic cows after inulin treatment. (A) Shannon and (B) Chao 1 index were the α-diversity indices, which reflected the diversity and richness of fecal microbiota, respectively. a,bDifferent letters differed significantly (p < 0.05). (C) Non-metric multidimensional scaling (NMDS) and (D) principal coordinate analysis (PCoA) based on Bray–Curtis represented β-diversity, which displayed the profile of fecal microbial communities among groups. (E,F) Fecal microbiota composition at phylum and genus levels, respectively. Con, control group; Inu_1, inulin_1 group, the inulin addition level was 100 g/day per cow; Inu_2, inulin_2 group, the inulin addition level was 200 g/day per cow; Inu_3, inulin_3 group, the inulin addition level was 300 g/day per cow; Inu_4, inulin_4 group, the inulin addition level was 400 g/day per cow.