yes, eat fish regularly and also have vegie meals but I do eat meat and enjoy it very much
As for drowning in pig's blood. Just one thing to say....black pudding YUMMEY!
Would I slit a lambs throat? If I had to , yes. No worries. I'd be more worried if it had a shit life first TBH. And we wouldn't have anything like as many cute little lambs if we didn't intend to eat em