26 



HEALTH AND DISEASE 



HvEMO-GLOBINURIA 



Definition. Hsemo-globinuria is an acute blood disease characterized 

 by sudden and severe lameness in one hind -limb, general paralysis, and 

 dark discoloration of the urine, which is loaded with albumen. This 

 disease used to be called hysteria, because first observed in mares. It 

 is found, however, to be equally prevalent in geldings, and stallions are 



Fig. 210. Horse Suffering from Hsemo-globinuria 



also sometimes affected by it. It usually comes on after work following 

 upon a short period of rest. Horses in high condition who receive large 

 rations of highly nutritious food are specially liable to it. 



The late Professor Williams described the deposit thrown down on the 

 addition of an acid to the urine as nitrate of urea. In 1883 Professor Axe 

 combated the view enunciated by Williams and others who regard the 

 disease as the outcome of an immoderate accumulation of urea in the 

 blood, and he adduced a large amount of chemical and pathological evi- 

 dence in support of his contention. 



In regard to the condition of the urine the Professor showed by a 



