FATHOLOCV. 75 



Diseases of the Liver. 



Jaundice. 



The Jaundice, or Yellows, is a disease which 

 seldom affects a horse ; farriers often mistake some 

 other morbid affection of the system for this disease. 



In the human subject, it is principally caused 

 by inspirated bile forming a concrete in the gall- 

 bladder, and thereb} r obstructing the secreted bile ; 

 but the horse, having only a small tube which con- 

 veys the secreted bile into the intestines, is not so 

 liable to obstruction from concretes. 



Though the bile is not so liable to be obsructed, 

 yet it sometimes takes place, and is more fre- 

 quently caused by inflammation of the liver, 

 than concrete. When this happens, the secreted 

 bile becomes obstructed, and is forced into the 

 hepatic veins, or taken up by the lymphatics, and 

 carried into the circulation. This is discovered 

 by the eyes appearing of a dusky yellow colour ; 

 the mouth, lips, and saliva acquire a yellowish 

 cast; the animal is dull and sluggish, and refuseth 

 his food ; his urine is of a dark brownish colour, 

 and when on the ground appears red; the animal 

 6 



