DH has been feeding/watering chickens for me for the last several days, so I'm not sure how quickly it happened. We've had several below-zero days, and this morning when I went down to the coop, I noticed that my BLRW roo had very swollen wattles. It also looks as if someone smeared black ink along the lower outside of his right wattle. Is this frostbite + infection? What can I do for him?