DISEASES OF THE HOG. 

 KIDNEY WORH (EUSTRONQYLUS QIGAS.) 



Figure 81. 



Fig. 81. — This worm is found in the kidneys of 

 all the domestic animals and in man, although it is 

 very rare. It is a large worm and it is said that 

 sometimes the female becomes three feet long and 

 half an inch in diameter, although usually much 

 less. The male becomes ten to twelve inches long. 

 I have never seen any of them so large, as they are 

 usually only a few inches long. The body is smooth, 

 round and tapering somewhat to each end, and of 

 a deep red color. When such worms are present 

 in the kidneys they gradually but completely de- 

 stroy the substance of the kidney which becomes 

 filled with purulent matter, upon which the worm 

 feeds, while the walls often become hardened 

 with calcarous deposits. The effects and symptoms 

 are the same as in other acute diseases or abscesses 

 in one of thekidneys. The only positive proof of the 

 presence of the worms would be the discovery of 

 the eggs in the urine. It is probable that no remedy 

 can be applied when the parasite is once lodged in 

 the kidney. The history of this worm is not fully 

 known. (Verill.) 



I have found live worms in the kidneys of both 

 the pig and dog and the kidneys were perfectly 



