Calf huts Excellent facility to minimize contact between calves. Important to clean and disinfect huts between calves. Some types of huts do not ventilate well in the summer. Important to keep bedding clean and dry. Difficult to feed and manage calves in winter months. Cold barn Naturally ventilated with curtains and ridges. Barns over 40 ft long need a ridge. Recommend individual pens. Recommend solid, plastic paneling between calves. Fill barn within 2 weeks.