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Scatterplot from PCoA of OTUs shown the differences in microbial community structures of sows among the five physiological stages. The days (
) 30, (
) 60, (
) 90, and (
) 110 are after artificial fertilization and (
) weaning (day 21) is after parturition. [Colour figure can be viewed at http://wileyonlinelibrary.com]
