30 HEALTH AND DISEASE 



completely covering the loins gives relief to the cramped muscles, and 

 facilitates the action both of skin and kidneys. Enemas of warm water 

 should be thrown into the rectum. When aloes have acted freely diuretics 

 should follow, preferably spirit of nitrous ether, as being stimulating and 

 sustaining. Should the convulsive movements of the limbs and general 

 excitement be considerable, a dose of chloral hydrate should be given, 

 and repeated if necessary. If there is not a free passage of urine the 

 catheter should be used, and the water drawn off from time to time as 



A, Glomerulo-nephritis. B, Renal Tube containing Granular Casts. 



Degeneration of its Walls. D, Large Granular Cast from Urine Tube, 

 ment with Blood. F, Small Tubes of Henle (healthy). 



c, Renal Tube, showing 

 Vein, showing Engorge- 



may be required. Soap liniment, with plenty of friction, may be applied 

 over the loins and quarters where rigidity of the muscles exists. The 

 diet should be low, and of a laxative character. Many horses remain 

 crippled for a considerable period after the acute symptoms have passed 

 away, and some never recover the complete use of their hind - quarters. 

 The result of the disease is to cause rapid wasting of the muscles of the 

 croup and thigh, and this must be met by a long run at grass, with blisters 

 to the part, and the daily administration of nerve tonics. All cases of 

 this kind demand attention from a qualified veterinarian. These symptoms 

 are such as are commonly seen in the more acute cases, but there are others 

 in which the urine does not become discoloured nor does the animal display 

 those acute symptoms of lameness here described. In these cases the horse 



