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. 2023 Mar 9;14:1142915. doi: 10.3389/fimmu.2023.1142915

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Copyright © 2023 Zeng, Sun, Huang, Guo, Gu, Cao, Li, Tian, Chen, Li and Lu

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 of coated sodium butyrate (CSB) on the growth performance of laying ducks. (A) Laying rate of different times laying ducks. (B) Feed-to-egg ratio (F/E) of different times laying ducks. (C) Average daily feed intake (ADFI) of different times laying ducks. Values are presented as means ± SEM (n = 6). *p<0.05. group C, Control group, which was fed a basal diet; CSB group, CSB-treated group, which was fed the basal diet supplemented with 250 g/t of CSB.