nuG HOUSES AXU PENS .I83 



Ihe sides rising- perpendicularly three feet before re- 

 ceiving the half-pitch roof boards. The center boards 



MICHIGAN EXPERIMENT STATION INDIVIDUAL HOG HOUSE 

 WITH SLOPING SIDES 



MICHIGAN EXPERIMENT STATION INDIVIDUAL HOG HOUSE 

 WITH PERPENDICULAR SIDES 



on the sides are hinged so that they can be swung open in 

 hot weather; the opening thus made is covered with 

 strong woven wire, clamped above and below between 



