This is probably gonna sound a bit dystopian, but would you eat beef if we eliminated suffering with CRISPR? I don't get to talk to a lot of vegetarians/vegans so honest question.
However, the reason farm animals are so cheap is because they are conscious, autonomous meat machines that you can order around easily.
* You do enter into another question here about whether brain dead or deeply disabled people are ethical to be eaten. Most people would say no.
Cannibalism isn’t widely seen as distasteful because of the suffering involved, but because you're eating people.
Maybe a better question would be around eating dog, dolphin or to a lesser extent, horse meat.
Closer to home: donating them to research/organ donation before they formally die.