. Our domestic animals, their habits, intelligence and usefulness;. Dutch Hex, Goudpel Breed from the second to the eighteenth day. Thecooling and ventilation of the eggs requirepractice. The temperature should never be allowed to fall below 75°, and the thermom-eter must be kept in the drawer. This coolingshould be done gradually, beginning, say, onthe fourth day. It may last from four to fiveminutes, increasing daily until at the end often days it lasts from ten to twenty machine remains closed during all the restof the time. The lamp should be thoroughlycleaned after each incuba
. Our domestic animals, their habits, intelligence and usefulness;. Dutch Hex, Goudpel Breed from the second to the eighteenth day. Thecooling and ventilation of the eggs requirepractice. The temperature should never be allowed to fall below 75°, and the thermom-eter must be kept in the drawer. This coolingshould be done gradually, beginning, say, onthe fourth day. It may last from four to fiveminutes, increasing daily until at the end often days it lasts from ten to twenty machine remains closed during all the restof the time. The lamp should be thoroughlycleaned after each incubation. When the eggs have been hatching five orsix days they must be examined. Those that. Cock of Fixe Stature are not fertile should be removed and kept tofeed the chicks later. The proper way to tella fertile egg is to take it between the thumband forefinger and hold it before a stronglight. If it is perfectly clear within, it is notfertile ; if, on the contrary, a little black speckwith red fines is seen to float inside of it, look-ing more or less like a spider in its web, it iscertain to be fertile. The same examinationshould be made on the fourteenth day. If persons desire to hatch successfully, theymust take fresh egsfs never more than seven THE GALLINACEOUS TRIBES 231 or eight clays old. The artificial incubator hasno merit in itself; it is only of value so far asit exercises on the egg precisely the same in-fluence as the mother hen is a live machine;the machine is an artificialhen. The results of theincubation depend entirelyon the eggs to be they are good, artificialincubation will give excel-lent results. VI. The Artifici.\ OF Chicke
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