My 6mo old lab got into the run today while I was at work. He mauled every single chicken, killed one and severely injured 2. I have cleaned all my girls, and their wounds and they are locked in their coop for the night. I have dealt with an injured bird before and I know they need to be separated from the flock, but what is the deal when they are all hurt? Do I need to worry about them attacking each other - the weakest one? Can injured chickens rehab together?