Iowa ranchers manage subzero temperatures

Iowa ranchers manage subzero temperatures

In this Tuesday, Jan. 2, 2018, photo, Teresa Kramer feeds milk to a calf in the heated calf nursery on the farm she and her husband own in Farley, Iowa. Livestock farmers in the tri-state area have spent the first days of the year grappling with bitter cold. (Eileen Meslar/Telegraph Herald via AP)

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