My 3 year old lab collie cross broke into the chook house last night. She was intent on some pigeons who were in there. She killed 3 of them before we could stop her then turned on the chickens who were on their perch. She killed one then we managed to get the other out to safety. It was truly awful. My colleague says that she is now a confirmed killer and no small animal will be safe from her. Would love to hear any thoughts or advice. We think we will try to rehome the remaining traumatized chicken as she will be lonely on her own and we can't bring another chicken in to be potentially slaughtered.