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47 



separate place for small pigs and another for fat- 

 tening hogs. Such hog houses are made in many 

 forms. Some are round, others square or rectan- 

 gular. (Fig. 29.) In any case all buildings should 

 be warm and dry with plenty of light and air. 

 (Farmer's Bulletin 438 — Hog Houses.) 



Diseases. The two most common diseases of hogs 

 are tuberculosis and hog cholera. Hogs get the 

 germs of tuberculosis through their food. Pigs fed 

 on the refuse from dairies and cheese factories get 

 tlie germs from infected cows. 



Hog cholera is sometimes called swine fever 

 because a fever always accompanies the disease. 

 Frequently the hogs. die very suddenly after a few 

 hours, other forais allow the animal to live several 



Courtesy of TT. S. Dept. of Agriculture 

 Via. 29. A well-built and well-arranged central hog house, showing 

 arrangement of outside pens. 



