PARASITIC INSECTS AND MITES 245 



diseases, is an important preventive measure. Infected animals 

 should be completely isolated from the herd, and kept apart from 

 other animals until after they have been treated. Hogs that are 

 slightly infected should be quarantined and treated. If badly 

 affected, they should be killed, and the carcass disposed of by 

 burning or burvina'. 



Fig. 69. — A severe case of mange. 



Tlic different remedies used in the treatment of the disease 

 may be applied by dipping, hand dressing or washing, pouring, 

 smearing and spotting. The first method is the most satisfactory. 

 The last method may be used when a small area of the skin is 

 involved, and during the cold weather. Washing or dipping 

 the animal with a two per cent water solution of liquor cresolis 

 compositus is an effective remedy for the psoroptic forms of 



