alt Hacker Newsstray cats are fixed and have ears clipped in several countries so you have an excess of those tissues hanging around no matter what
stray cats are fixed and have ears clipped in several countries so you have an excess of those tissues hanging around no matter what
First, it still hurts the cats.
Second, they clipped the cats ears at specific places because they needed different color hair follicle samples. They describe it in the paper.