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. 2022 Mar 17;9:860086. doi: 10.3389/fnut.2022.860086

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Copyright © 2022 Zhang, Qin, Zhu, Zhang, Du, Huang, Michiels, Zeng and Chen.

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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Dietary RPS and drinking SCFAs change the microbiota composition and promote concomitant SCFAs production in the cecum of meat ducks. (A–C) Chao1, Shannon, and Simpson indexes were used to assess diversity and evenness of gut microbiota. (D) Principle coordinate analyses (PCoA) of beta diversity based on Bray-Curtis dissimilarities of bacterial operational taxonomic units. (E) Relative phylum level abundance of gut bacteria. The proportion of (F) Firmicutes and (G) Bacteroidetes. (H) SCFAs production and (I) SCFA receptor gene expression including G protein-coupled receptors 41 (GPR41) and GPR43 in the ileum and bone marrow. Data are expressed as mean and standard deviation. ^a,b Mean values with different letters are significantly different by one-way analysis of variance followed by Tukey's post-hoc test (p < 0.05).