. 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). The Principles of Brooding. 329 When the air is quiet and warm, excessive heat can be partially overcome by turning the vent pipe up to a vertical position. Then the heated air is drawn out and the heat under the hover is reduced. It is well to have all unions and joints very tight, otherwise the retarded draught will allow the fumes to escape into
. 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). The Principles of Brooding. 329 When the air is quiet and warm, excessive heat can be partially overcome by turning the vent pipe up to a vertical position. Then the heated air is drawn out and the heat under the hover is reduced. It is well to have all unions and joints very tight, otherwise the retarded draught will allow the fumes to escape into the house. OTHER TYPES OF ' A -SHAPED COLONY HOUSES, AND THEIR USES There is a season of each year, usually in mid-summer, when extra houses are needed to care for the growing pullets and cockerels. This comes while it is desirable to retain the old fowls. It is at the time when all of the brooders are filled and the earliest hatched chickens are out- growing their quarters. Con- gestion at this time is disas- trous to rapid natural growth. Overflow quarters at this time are needed. When it is im- possible or undesirable to take care of the surplus chickens in existing quarters a cheaper, simpler, and cooler form of " A"-shape colony house is sug- gested. This house, although of special importance for summer use, can be used to advantage during the other seasons of the year as a scratching room annexed to a regular colony house. The most desirable type of several which we have tried is shown in Fig. 105. Ventilation is provided from every quarter, makingthe house comfortably cool during excessively hot weather. The clapboards on the sides and ends are placed with their lower edges set out ^ inch from the next clapboard and overlapping in such a way that storm cannot beat in. The wire door aids in ventilation, allows the entrance of sunlight, and makes the construction economical by saving glass windows and lumber. In addition, ventilation is completed by the applicati
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