I killed the dog that killed 8 of my chickens Sunday. It was a horrible thing to hear it howl. Looked like a pit bull/lab mix, mostly grown. I figured it would be back. My wife and I were out with the chickens and we heard them squawking. I saw the dog, told her to watch it, and I ran for the pistol. The dog, outside of the coop, was chasing the chickens that were in the run. I blasted him full of lead. I really felt horrible, but my chickens depend on me, and I stopped the threat. No collar. People that own dogs can be truly irresponsible.