How should we ease the suffering of animals in factory farms? How about genetically engineering them to feel less pain. Yes they have found some genes for it.
Scientists close to taking the pain out of animal suffering
The animals I know and love experience a full range of feelings...who'd want them numb!
I expect its folks who don't fully know how a Mom loves her calf, or triumphs free in a pasture upon excape, that would consider extinguishing feeling.
Feelings are what make us alive.