146 



SWINE DISEASES 



and the scolex can readily be recognized within as a white 

 point or body. The cyst is surrounded by a thin capsule 

 and contains one head and a thin, watery fluid. After 

 the cyst has persisted for one year or longer it degener- 

 ates, the content becoming purulent, and later calcifying. 

 Symptoms. Cysticercosis in swine is rarely recog- 

 nized clinically. The migration into and irritation of 



1 n- 



Fig. 9. PEDTJNCULATED FIBROMA. 



the muscle may cause muscular soreness and disturbed 

 locomotion which, depending upon the extent of the 

 invasion, may be associated with inappetence, unthrifti- 

 ness, and emaciation. 



Treatment. Prophylaxis consists of preventing con- 

 tamination of swine food and water with human excre- 

 ments. No curative treatment is available. 



Sarcosporidiosis 



Sarcosporidiosis is a disease of muscular tissue due 

 to a parasite, the Sarcosporidia. This condition is rela- 

 tively common in swine. Generally speaking, Sarcos- 

 poridiosis is not considered a disease of any importance, 

 but frequently swine are affected with a weakness of the 

 muscles of the back that causes them to drag the hind 



