They do actually, for example with swine in Denmark. They've built fences for th... | Hacker News

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		guerrilla 17 days ago \| parent \| context \| favorite \| on: He set out to walk around the world. After 27 year... They do actually, for example with swine in Denmark. They've built fences for that purpose specifically.

mnky9800n 16 days ago [–]

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

guerrilla 14 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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