I think the livestock cull was from mad cow? But maybe pigs were culled too? I heard something about this event from people who lived it. There were huge biosecurity meaures in places.

Also, there are goat diseases that cause sterility.

And Mareks disease in chickens (who already get vaxxed at birth).

So if you have some backyard chickens and your buddy talks, you could be in trouble in a worst case scenario future.

It means people will have to plan how and what to feeds their birds discreetly.