But it is a great community to ask and get straight answers and different opinions. One of the reasons I use hay, is it is something easily available to me.
Ridge runner gives excellent advice as usual. Here is in SD, our winters can have spells at -20 degrees F.
Do not keep your chickens warm, keep your chickens DRY. Dry chickens are warm chickens, damp chickens are cold. Frostbite often occurs at even mild temperatures if air is confined in the...