Ok, so lets stop breeding them first. Stop paying people to force them to get pregnant.

Ideally we’d be able to release them into the wild or have sanctuaries for them, but that’s just not really possible. But if we stopped forcing more of them into existence then the remaining ones would all be killed pretty fast, which is far better than them and their children and their childrens children, and so on for the foreseeable future being killed.

More realistically, if animal liberation is achieved the population of farmed animals will gradually decline as fewer people support animal ag until there are only a few of them left, on sanctuaries or reserves or something, or they go extinct