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. 2021 Jan 14;11:618144. doi: 10.3389/fmicb.2020.618144

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Copyright © 2021 Dai, Qiu, Zhang, Wu, Han, Wu, Qi and Wang.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Effects of dietary supplementation with organic acids on the cecal microbial β-diversity of broilers on day 42. (A) principal coordinate analysis (PCoA) based on based on weighted UniFrac distance calculated from OTU abundance matrix; (B) partial least squares discriminant analysis (PLS-DA); Analysis of similarities (ANOSIM) of weighted UniFrac distances. NC, negative control supplied with the basal diets; PC, positive control supplied with the basal diets and 5 mg/kg flavomycin; OA, the basal diets supplied with 0.3% (day 0–21) and 0.2% (day 22–42) organic acids feed additives.