. Annual report of the New York State College of Agriculture at Cornell University and the Agricultural Experiment Station. New York State College of Agriculture; Cornell University. Agricultural Experiment Station; Agriculture -- New York (State). Building Poultry Houses. 211 to frighten the fowls. Fig. 45-C is a " Dutch " door, the upper and lower halves opening separately. While generally not to be recom- mended, this type of door is found convenient to permit the upper part to be opened to allow the fresh air and sun's heat to enter, while the bottom prevents the wind striking th
. Annual report of the New York State College of Agriculture at Cornell University and the Agricultural Experiment Station. New York State College of Agriculture; Cornell University. Agricultural Experiment Station; Agriculture -- New York (State). Building Poultry Houses. 211 to frighten the fowls. Fig. 45-C is a " Dutch " door, the upper and lower halves opening separately. While generally not to be recom- mended, this type of door is found convenient to permit the upper part to be opened to allow the fresh air and sun's heat to enter, while the bottom prevents the wind striking the fowls. The door Fig. 45-Z) opens outward instead of inward, which generally is not satisfactory, owing to the fact that it is not so handy to pull and open as it is to unlatch and push. Fig. 45-H is a double door that swings both inward and outward. It is the most unhandy of all except when it is necessary for a trolley to pass through. Fig. 45-F swings on double, reversible hinges, which is a convenience and works well, provided the springs are heavy enough to swing quickly and firmly against a rubber pad on the door to prevent back motion. All self-closing doors have the disad- vantage of occasionally injuring fowls. The rolling door. Fig. 45-G, is not tight enough for outside use, but may be used to good advantage. Fig. 45.—Types of doors and methods of hanging them for partition doors. The track should be inclined to permit the door to close quickly and automatically. All doors should be raised above the floor six inches so that the bottom will clear the litter; and a space should be left between the bottom and the sill on interior doors to prevent decap- itation of fowls that might get caught while the door is swinging. Interior doors should be fitted with spring hinges, weight and pulley or other device to obviate the loss of time in opening and closing latches. The ventilation Most poultry houses, if properly built, will not need ventilators. The large amount of air-
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