HOUSING AND CARE OF COWS 



85 



■valuable space. C, in the feed chute, is a door which swings out 

 when hay is being thrown down, but is closed when used as a. 

 ventilator, the door not reaching quite to the floor. To take air into 

 this stable, if it is built of wood with studding, openings would 



Fig. 1. 



Fig. 2. 



3 C 



Kr 



Sketch A — Two methods of ventilating a dairy barn. 



be left at A about 4x12 inches every twelve or sixteen feet, and the 

 air would enter and rise between the sheathing of the inside and the 

 siding on the outside, entering at B as represented by the arrows. 

 JFig. 2 shows intakes through a brick wall. 



