I am looking to build a new coop for around 50 chickens and don't even know where to start. I live in a cold climate where it gets down to -50C. How big would I want it? I would like ideas for what I should do for heat, ventilation, flooring, nests, roosts, bedding, lighting, anything that makes life in the coop for them and me a little easier would be appreciated. Anything else I haven't thought of either. A watering system that would be heated and automatic. The best insulation for the job and the best materials for building. Hope you can help.