. The standard cyclopedia of modern agriculture and rural economy, by the most distinguished authorities and specialists under the editorship of Professor R. Patrick Wright ... sive chickenfoods are used; the larger section can be usedas a scratching shed by the youngsters, and,moreover, in inclement weather it forms a shel-tered run for them. Brooding chickens by artificial means is amore important consideration than rearing undernatural conditions, in that the heat which is ap-plied must be given regularly and evenly. Forearly work, brooder houses are almost a neces-sity, but later in the se
. The standard cyclopedia of modern agriculture and rural economy, by the most distinguished authorities and specialists under the editorship of Professor R. Patrick Wright ... sive chickenfoods are used; the larger section can be usedas a scratching shed by the youngsters, and,moreover, in inclement weather it forms a shel-tered run for them. Brooding chickens by artificial means is amore important consideration than rearing undernatural conditions, in that the heat which is ap-plied must be given regularly and evenly. Forearly work, brooder houses are almost a neces-sity, but later in the season individual outdoorfoster-mothers can be used. All foster-motherscan be divided into one of two classes, namely. those in which the heat is maintained by radia-tion from the lower surface of a tank of hotwater, and those in which the ingoing air isheated before it enters. It may be stated gene-rally that the former system is the better underall circumstances, iu that the heat is maintainedmore evenly; but the latter are perhaps as goodunder normal climatic conditions, as a highertemperature can be obtained. There are twoforms of hot-air brooders — one in which the. ©:r^ Fig. 1.—Double Coop lamp itself is placed in the sleeping compart-ment, and the other in which the lamp is con-tained in a separate section of the brooder. Thelatter is preferable, as the fumes from burn-ing paraffin oil are highly injurious, unless thecombustion is perfect—an ideal which is neverrealized. The gases given off by burning petro-leum are known to cause partial paralysis of thenervous system, therefore those rearers whichare constructed so that the products of com-bustion are carried away to the outside airare obviously better. One great advantage
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