Do they have passports? Like how do they know if the pig is danish or German? | Hacker News

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		mnky9800n 4 days ago \| parent \| context \| favorite \| on: He set out to walk around the world. After 27 year... Do they have passports? Like how do they know if the pig is danish or German?

guerrilla 2 days ago [–]

I think many are tagged, but otherwise they have a lot of surveillance and fences. They probably track them after breeches as well. The point is to control disease.

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