If by 'modified' you mean 'frozen to the floor', then yeah.

The chickens keep it just warm enough that if it gets up to 25*F or so the snow that blows inside will melt and get everything soaking wet. Of course, it's never warm enough to thaw it completely. Next year, I am going to build a pop door. And more window blocks. Screw ventilation, I'm tired of wet bedding. Also, I am building the ducks their own coop. See prior remark about bedding. At least this way those messy little things are only giving themselves worms, not the chickens too. They're lucky I love them so much...