Personally I just have a list of animals that I have enough respect for to never consider eating them. If I’m convinced enough, I’ll add new animals to the list.

• dog/wolf 🐺
• hourse 🐴
• whale/dolphin 🐋
• hominidae 🦍 It’s not very hard because I wasn’t planning on eating any of these guys in the first place, but I can see myself giving up beef as my respect for cows grows.