Would domesticated livestock animals survive if everyone went vegan and stopped needing them as a food supply?

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answers:
Akash say: They are an artificial entity, who are strange and alien to this planet. Most of them (species) would not have even come into existence if it weren't for humans bending the laws of biology with gene mutations and other environmental manipulation. At the end of the day, if they were let out to survive in the wild, they would be at a terrible disadvantage, having lived in close proximity to humans all life long along with all of their biological needs being met directly without any kind of interaction with their environment. It would be nightmarish for them at first, but even for those who survive the initial shock, they wouldn't last too long as predators roaming the forest have years of experience doing that and this is their hunting ground. Not to mention, they would also transfer whatever diseases and infections they would have got by living in intense confinement and concentration camp conditions to wild animals and could possibly wipe out the entire wild population of most forests. They would not know how to fend for themselves. Also, they do not possess the armor ready to take on the wild. They have lost their connection to the wild world and would not know how to fit in in the immediate food chain. They would also disrupt the existing food chain in the jungle.

Also, the way you phrased your question, is inherently wrong and is an extremely improbable scenario. The world isn't gonna give up meat overnight, just like it didn't start eating it overnight too. All change in nature and in human societies is slow and gradual. That would be the way to go. It would have to phase out.
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Never Polled say: They would be like mosquitoes and the county would spray for them.
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Janet say: People would stop breeding them. They would go extinct. As for the ones alive now . .they might be slaughtered just so the pasture can be used for growing vegetables, or so that the farmer doesn't have to feed them with no income from it.
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heart o' gold say: They would overrun the earth.
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ckngbbbls say: Depends on what was done to the livestock. If it happened gradually, fewer would be born. If it happened all at once, they would still need care.
You cannot just set free a big herd of cattle. What would they eat in winter? Where would they get a drink of water? Next time you are out driving, look around. What do you see? Fences, keeping things in and keeping things out.
Chickens would be fodder for any prey animal like skunk, mink, weasel, fox, coyote, etc. In winter they would freeze to death where they roosted. Ditto turkeys, ducks and geese.
Pigs are a bit more "wild" even when domesticated. they can root and shove their way to where ever they want to be and will eat anything, including those chickens you just released.
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say: Of course not. Farm animals are bred and kept purely as a source of food. I guess that maybe a few enthusiasts would try to keep some examples alive but I don't know that this could be managed long-term. Historically, several domesticated breeds of animals used for food have already disappeared as demand ceased.
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audrey say: Nope. They would become extinct. Just a few left in zoos.
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Kieth say: We wouldn't have the need for millions of cows, pigs, and chickens if everyone went vegan. We already produce enough fruits and vegetables to ship them around the world, the land used for the livestock and the food they eat would go unused, several states would lose their major source of income. The farm belt would become destitute.
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Jason say: Well it's not like that would happen overnight. As demand dwindles, fewer new livestock will be born.
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