Crops
So don’t put two seeds in the same crop becase Leviticus 19:19 states, “Thou shalt not sow thy field with mingled seed.”
Four Legged Pets
According to Leviticus 11:27, you shouldn’t be eating doggies and kitties or any other animal that goes on all fours, “And whatsoever goeth upon his paws, among all manner of beasts that go on all four, those are unclean unto you: whoso toucheth their carcase shall be unclean until the even.”