Show proper insulation proper insulation Is as important na good ventilation tar poultry bouses south dakota authorities agree that while condensation of moisture Is reduced with rapid of air yet in thoroughly insulated houses it la not necessary to speed up circulation of air BO much as in poorly insulated houses oher south dakota tests indicate that heru receiving yellow corn tn and mash lay 25 per cent more eggs and consume less mash than hens receiving white corn in using insulating board in henhouse it ts necessary to put a apat of plaster over that part of it which can be reached by the hong |