MAINE AGRICULTURAL EXPERIMENT STATION. 



2 9 



first part of April it is necessary to turn the lamp so high that 

 the floor of the brooder gets much too hot. Tn other words, if 

 brooders of this type are forced at all there is too much "bot- 

 tom heat." (2) Brooders of this kind have no provision for 

 taking the lamp fumes and vitiated air out of the building in 



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which the brooder is operated. This becomes a very serious 

 matter when, as is the' case at this Station, two of these brood- 

 ers are operated in a small colony house, with a floor area of 

 only 6 or 7 feet by 12 feet. In the cold weather of April it is 

 necessary to shut these houses at night in order to maintain 



