178 MAINE AGRICULTURAL EXPERIMENT STATION. I9II. 



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 



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necessary to shut these houses at night in order to maintain 

 anything like the proper temperature underneath the hovers. 

 When the door of such a house with two Peep-o'-Day brood- 

 ers operating in it is opened in the morning the air is plainly 

 very bad. Not only does it contain all the lamp fumes, but it 

 also has a peculiarly dry, burned-out smell. (3) When these 

 brooders are operated in small colony houses, and the same 

 houses are used for growing the chickens on. the range through- 

 out the summer, a considerable labor expense and a good deal 



