BARN VENTILATION 



183 



VENTILATION PLAN. 



As we enter some stables on a winter's morning, 

 after the barn has been closed all night, we are almost 

 stifled by the odors and impurities that fill the air. 

 These must be very harmful to the animals that are 

 forced to breathe them over and over again. In such 



WINDOW VENTILATION PLAN. 



NOTE : The above is a modification of the "King System" of 

 ventilation, a system in successful operation on some of our 

 best dairy farms. 



