I mentioned in my other post today, that I think I lost one of my chickens today. THat leaves me with 5. My coop is in a barn but I live in an area that -22 in Feb. is not out of the question. I don't want to use a heating lamp but am concerned now, that 5 chickens may not be enough to keep each other warm. What do you ladies/gentlemen suggest? Should I try and raise a few more and do I have time? Our first frost date is 30 September.