92 DISEASES. OF SWINE 



when the pig lies down for a short time, accumu- 

 lates in the nasal cavities and causes further obstruc- 

 tion. On getting up the animal blows the nose or 

 coughs in order to clear the air passages, and at all 

 times it makes a wheezing, snuffling sound when 

 breathing. Bleeding at the nose occurs in advanced 

 cases, usually when taking exercise. 



Pigs affected with this disease have a dejected ap- 

 pearance, and lie around the pen and in out-of-the- 

 way places more than common. The appetite is 

 usually poor, and the a,nimal may have trouble in 

 eating and swallowing food. The hog appears un- 

 thrifty and stunted. The hair is rough and long, the 

 skin dirty, condition poor, eyes watery, and the face, 

 or some other part of the body, deformed. 



The disease takes a long, chronic course. After it 

 becomes well advanced, the hog cannot make a com- 

 plete recovery. Death sometimes occurs within a few 

 weeks after the first symptoi-ns are noticed. 



Treatment. — The treatment is preventive, and 

 along the same line as in rickets and cold in the head. 

 The curative measures indicated in these two diseases 

 may also be used. However, it is not best to attempt 

 treatment in a well-defined case. The cheaper and 

 better method is to destroy the animal. 



SORE FEET 



Heavy hogs, when kept on hard floors or driven 

 over rough roads, may suffer from bruised, inflamed 

 feet. Hogs that are kept in filthy yards may also suf- 

 fer from this disease. Under such conditions, the 



