We are in North Idaho and we have a wind chill of about 15-25 below zero. I normally put a clear plastic tarp on one side of the chicken pen which is about 8×10. The coop has a heat lamp and there is a heat lamp in the corner of the pen. Both lamps are plugged into a Thermo cube. That turns on the lamps at 32 degrees and off when it gets to 45. My girls seem happy and the 2 that are currently laying, have been laying about 5-6 eggs a week. When there is no snow on the ground, I open the door of the pen and let them free range. When it is this cold out (17 right now) they like to hang out under our toy hauler. My girls want nothing to do with walking on snow. Lol... its funny watching them haul *** over the snow to get some treats. Oh.... they can leave the coop whenever they like as the pen is covered to protect them from predators.
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