142 GKEASE IMPETIGO ERYSIPELATODES. 



disease is so prevalent as almost to assume the form of an 

 epizootic. The disease occurs mostly in animals with white 

 legs ; and it is always found that when a horse predisposed 

 to the disease has but one hind leg white, it is always the 

 one most frequently and severely affected. The disease is 

 unquestionably hereditary, and certainly contagious when the 

 specific lymph is developed, which I have before spoken of. 



The treatment of grease varies materially, according to 

 the stage of the disease. Poultices should be applied to 

 remove the scabs and soften the skin. Detergents should 



Fig. 133. 



then be used, and the preparations of chlorine, especially the 

 chloride of zinc, has been found of great service. The alka- 

 line permanganates have been used with marked good effect, 

 as also carbolic acid. Mr Calvert, of Manchester, recom- 

 mends one pound of the acid to be diluted with one gallon 

 of water, and applied to the skin with a brush or India- 



