352 



ARTIFICIAL BROODING 



These units are heated by kerosene lamps (Fig. 165). The 

 usual method is to maintain a uniform temperature in the 



FIG. 155. Portable indoor hovers make it possible to use the laying houses for brooding 

 purposes. (Photo by Rancocas Poultry Farm.) 



FIG. 166. Small portable outdoor brooders heated by kerosene lamps. 



brooder house by the use of a few coils of hot-water pipe and then 

 to increase the hover temperature to any desired degree by the 



