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ARTIFICIAL BROODING 



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

 usual method is to maintain a uniform temperature in the 



FiQ. 166. — Small portable outdoor brooders heated by k 



cerosene 



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 



