I agree with the idea that animals are not ours to abuse and certain methods such as factory farming are wrong (the way they stuff dozens of live chickins into small crates by kapporos and meat plants seems esspecialy wrong to me). That being said the torah does allow us to use animals for food and as a religios jew I beleive human life and suffering is Infinitly more important then animal life and suffering, I also agree with anon for this that it isnt that animals have rights but rather that as humans we have a responsability to treat them well, and this is were peta went wrong.
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