Farm Poultry 



225 



attention is given to the raising of poultry. It costs a 

 great deal less to hatch, say, one hundred eggs artifici- 

 ally than it does to feed seven or eight hens. The addi- 

 tional advantage claimed for the incubator is that the 



Fig. 149. A modern incubator. 



hens soon begin laying, and that the chickens can be more 

 easily cared f6r in brooders. There are two classes of 

 incubators on the market, the water -heated and the 

 dry-heated. (Fig. 149.) 



310. Poultry-Houses and Grounds. Poultry -houses 

 and yards should be located on well-drained, and, pref- 

 erably, on loose, sandy soils. They should be cleaned 

 regularly to prevent the accumulation of filth that 



