Hello, I have a sick chicken that I need to euthanize. I just cannot bring myself to cut off her head or slit her throat. My neighbor offered me a BB gun, It is a small handgun pistol type thing. It only shoots BBs, not pellets. With this be sufficient at basically point blank range to quickly kill the chicken? Wood pellets be better? I’m not looking for something long range, very close will be fine. Any suggestions? Also, I know the chickens flap and move even after they’re dead. How long does this go on for?