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ELEMENTARY AGRICULTURE 
Lice.—If you notice the pigs rubbing against posts, 
you may look carefully behind their ears and see small 
lice crawling about. They rob the pigs of much vital¬ 
ity and cause them much discomfort. An application 
of heavy oil or the use of hog oiler will rid them of 
lice. 
Worms.—When the hair on the back of a hog becomes 
rough, when his ears begin to droop, and his tail is 
Fig. 88—Worms hinder the growth of pigs. These sick pigs need clean 
surroundings and treatment for worms. 
no longer curled, it is evident that he is not doing well. 
No matter how much he eats, his weight does not in¬ 
crease. The hog is probably infected with worms. He 
should have access to salt and charcoal, with the ad¬ 
dition of a little copperas. If he does not get rid of 
the worms, a capsule of worm medicine should be given 
by a veterinarian. 
Scours.—Over-feeding of rich foods causes scouring 
more than anything else. Unsanitary surroundings may 
also cause bowel troubles. The restriction of rich protein 
