292 



POULTRY PRODUCTION 



roof is the simplest to build, throws all the rain-water to the 

 back, allowing the windows to be placed high, and does not 

 expose the roof to the direct rays of the sun. Where prepared 



Fig. 163 



A combination roof house known as the Tolman house. (Courtesy of 

 Missouri State Poultry Experiment Station.) 



Fig. 164 



II A good type of a portable colony house. (Courtesy of F. E. Mixa.) 



roofing is used, it lasts much longer on a north than on a 

 south slope and does not draw heat so badly, thereby 

 rendering the house cooler. 



