I have also been told that if you take a cats kill away from it, it will quit hunting, My cat is here to keep mice out of the house. So he gets to keep what ever he kills.
I took a chipmunk away from my cat one day. The poor chipmunk was so traumatized he just stayed frozen in place. I actually had to shoo him away.
The next day my cat left a headless chipmunk on the porch. What was he telling me?