COMMON DISEASES OF SWINE 329 
siderable time, possibly several weeks or even two or three 
months, Often the pig becomes a complete wreck, and death 
at last occurs. 
Treatment.—Whlien a hog once contracts the disease, little 
ean be done in the way of treatment. Preventive measures 
are the only effective means for fighting this disease. In case 
the disease should be found in a herd, it is safer to divide the 
herd up into small groups, keeping hogs which have been ex- 
Courtesy Tennessee Je,artiment of Agriculture. 
Fic. 93 —Injecting serum behind shoulder (large hog). 
posed tu the disease separate from those which have not. Dis- 
cased carcasses should be burned, and thorough disinfection of 
the premises and the animals should be made. The disease 
enters the system through the stomach, and, therefore, care 
should be exercised at all times in providing clean water and 
feed, The importance of quarantine, isolation, and dis.n- 
fection, and methods of conducting the same, have been dealt 
with under “ Sanitation,” which see. 
