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If b12 is in meat and dairy where do the animals get it from?

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    From the intestinal bacteria as answered on Biology SE.
    – Jan
    Dec 28, 2019 at 11:10
  • I'm voting to close this question as off-topic because this question was already answered on a different SE site.
    – Alexander Rossa
    Dec 28, 2019 at 15:56

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