294 DISEASES OF CATTLE. 



of the name so applied, can induce no very liigli opinion 

 of cow doctors. 



Nephritis. — This is a name given to a disease, or in- 

 flammation, of the kidneys. It is scarcely ever seen in 

 the ox. 



I^ervoilS Diseases. — These may be classed as follows : 

 Brain diseases, apoplexy, inflammation of the brain, palsy, 

 paralysis, locked-jaw, twitching of the muscles, etc. 



(Estromt^^nia. — A term applied to cows when bulling. 



Gil3trU3 BovId. — The fly which deposits the eggs, from 

 which the ox bot is developed. 



Osseous. — Composed of bone ; bony tumor. 



Ovarian Dropsy. — This is a disease peculiar to milch 

 cows, and consists of v/atery swellings of the ovary, but 

 one ovary being usually affected. Ovarian dropsy is 

 characterized by a large, soft swelling, situated upon the 

 side of the cow, between the short rib and the thigh. 



Treatment. Tap the tumor with an instrument called a 

 trocar, whereby the fluid is let out. When this is done, 

 feed the cow Avell, and give her iron, gentian and ginger, 

 to prevent further accumulation. 



Ovarian Tumor. — The difference between ovarian 

 dropsy and ovarian tumor, as ascertained by the touch, is, 

 the dropsy is soft and fluctuating, and the tumor hard 

 and slightly movable. Ovarian tumors are generally hard, 

 and similar to cancroid and encephaloid tumors found in 

 man and animals. 



Treatment. Fatten the animal, and kill and send her to 

 market, before she dies and becomes a complete loss. 



Palsy, or Paralysis. — This is a nervous disease, and 



