You should also consider why you have wasted your money on a fancy handheld computer instead of just using a pencil and paper. I don't know. In any case, I'm not asking you to give up all leather. Yes, you can. But in any case I'm not asking you to give up meat.
Many countries have laws protecting non-human animals from excessive cruelty.
So it follows that in many countries non-human animals do have some rights. Of course, non-human animals do not generally have the legal right to not be killed for frivolous reasons. However, you should consider what motivation would be strong enough for you to kill a cow yourself. I know that some people would answer yes to this question. Don't worry about those people.