HEREDITARY DISEASES. 103 



wish to be understood as advocating such a business, nei- 

 ther in the attempt to cheat nor deceive any one ; but 

 the large dose of iron meets my decided disapproval, as 

 being highly injurious to the horse, although the giving 

 of round or spherical shot, as is practiced in England, is 

 much worse. The treatment, whatever that may be, 

 to do good permanently, must be by a gradual and pro- 

 gressive improvement; five grain doses of arsenic, given 

 once in the twenty-four hours for two weeks; then, 

 after a week's intermission, commenceing as before, will 

 cure many cases Feed the animal with feed in small- 

 bulk. Give as little hay, or rough feed, in large bulk, as 

 possible. Improve the condition of the horse by every 

 way or means, and you will relieve the animal. 



Heat. — General heat of the skin indicates fever; — lo- 

 cal heat, inflammation. 



Hepatic Diseases. — (See Liver Disease.) 

 Hernia. — This is a name given to ruptures, (See rup- 

 tures.) 



Herpes. — A named used in skin diseases, (See mange 

 and skin diseases.) 



Hereditary Diseases. — No one, of any observation, 

 can deny that hereditary influence exists in the produc- 

 tion of disease. This influence, it must not, in the pro- 

 duction of disease, be considered in the light of too 

 many, that if a horse or a mare had disease, their young 

 ones will have the same disease, also, — not at all. It is 

 by whatever change or alteration of structure, action or 

 function, that existed in either of the parents, that was 

 the cause of disease in them, and these same forms which 

 existed in them, are likely to be transmitted to the 

 offspring, thus carrying the various formations of struc- 



