This has the potential to be really cool, and really beneficial to society.
It's a shame the people who want to do this the most are the people who want to treat the pigs the worst, and who care the least about potential side effects in humans.
It might sound a little extreme at first, but if you think it through I think it's the conclusion one has to reach when extrapolating from ones own experience to similar animals. Sure a cricket and I have not too much in common, but a orangutan and I, a dog, a pig?
It's a shame the people who want to do this the most are the people who want to treat the pigs the worst, and who care the least about potential side effects in humans.