212 Diseases of the Horse, 



Sometimes the system needs to be strengthened by extra 

 diet and tonics. And if the case seems very obstinate, the 

 part is to be penciled over with nitrate of silver solution. 



Or a mild blister is to be applied, and the system generally 

 altered, by the administration of Fowler's solution of arsenic, 

 in the usual dose, for a few days. 



Other useful preparations are — 



No. 225. Powdered alum, 2 drachms. 



Sulphate of ziuc. 20 grains. 



Water, 1 pint. 



Wash the cracks well with this, and dress with petroleum ointment* 



No. 226. Acetate of lead, 



Sulphate of copper, of each ^ oz. 



Mix in a pint of water, for the same purpose as the last. 



When the inflammation is considerable, it may have to be 

 reduced by poulticing ; the irritation and sensitiveness which 

 remain can then be reduced by the following : — 



No. 227 Acetate of lead. 



Oxide of zinc, each 5^ oz. 



Lard, 3 or 4 oz. 



To be applied after the part has been well washed 

 GREASE— ECZEMA OF THE HEELS. 



DGfinition. — An inflammation of the skin at the back of 

 the heels and fetlocks, with a formation of vesicles and pus- 

 tules, yielding a fetid, watery discharge. 



Ca.USeS. — Negligent grooming, exposure to cold and wet 

 in standing, together with a constitutional tendency, or a low 

 condition. Grease is scarcely ever met with in vigorous 

 horses which are well cared for. 



S3^ptoms. — There is an inflamed appearance of the skin, 

 the surface dotted with small blisters and pustules, pouring 



