. Wright's book of poultry, revised and edited in accordance with the latest poultry club standards. These are good points. On the other hand,such a curtain confines the air, and causessome of it to be re-breathed, than which no-thing can be worse. The result of Americanexperiences, according to which health wasimproved by ventilating the hovers ofbrooding houses, and recent developments indoing away with hovers and curtains altogether,appear conclusive to the effect that it is bettereither to dispense with curtains, or if retainedfor the sake of their instinctive help to thechicks, that they
. Wright's book of poultry, revised and edited in accordance with the latest poultry club standards. These are good points. On the other hand,such a curtain confines the air, and causessome of it to be re-breathed, than which no-thing can be worse. The result of Americanexperiences, according to which health wasimproved by ventilating the hovers ofbrooding houses, and recent developments indoing away with hovers and curtains altogether,appear conclusive to the effect that it is bettereither to dispense with curtains, or if retainedfor the sake of their instinctive help to thechicks, that they should be copiously ventilatedby plenty of free apertures all round the top. Only one other type requires notice, shownin Fig. 6i. Here the heat impinges uponthe metal roof C of a large lamp-chamber,which we have here shown with a small centralflue F, the best form in our opinion, thoughby no means universal. This is at some littledistance from a sheet-metal lining under thebottom of the chick-chamber, which has alarge aperture in the centre from which risesa short drum, or flue, surrounded by a. Fig. 6i.—Ventilating Type. wire guard G, as in the former outer air enters through the spaces S Sbetween the two sheets of metal, is thuswarmed, and passes up the drum against ametal radiator, as shown by the arrows. Theradiator is here shown with a curtain, as de-scribed above. In brooders of this constructionthe wooden fioor above the metal lining becomesgently warmed for the feet of the chicks, andpure, warm air is poured gently down over theirbacks, while the lamp fumes pass out various minor modifications, this general construction appears rather a favourite one inAmerica for single out-door brooders, and isalso used in England. Whatever the type, the general arrangementis pretty common to all, and experience hasshown it to be desirable. The brooding orwarming portion itself is in all ourGeneral Plan diagrams supposed to be seen end-Brooders, ways, a
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishe, booksubjectpoultry
