THE ARMY HORSE. 17 



eiice the more we remove them from the immnnit}^ they may 

 have possessed against common causes of disease and the 

 greater liability is there for the development of diseases which 

 originally may never have existed. In other words, the 

 domesticated animal should alwaj^s have pure water; when 

 the vitality is further reduced by sickness the necessity of 

 absolute purity is even more imperative. 



