THE IMPROVED ART OF FARRIERY. i37 



as anv sudden transition from heat to cold, and even 

 in some cases, though not to so fearful an extent, a 

 sudden removal from a cold to a heated atmosphere ; 

 exposure to a current of air when in a state of 

 perspiration ; applying cold water to the body and legs 

 while the animal is hot ; all these will produce inflam- 

 mation of the lungs. 



Mr. Youatt, in his work entitled " the Horse," says, 

 " He who would have his stud free from disease, and 

 especially disease of the lungs, must pursue two objects, 

 coolness and cleanliness. . In the gentleman's stable, 

 the first of these is studiously avoided, from the pre- 

 judice or the idleness of the groom, and from these 

 stables proceed most of the cases of inflamed lungs ; 

 especially when this heat is combined with that tem- 

 porary but mischievous nuisance, the repeated breath- 

 ing of the same air during the night, and that air 

 vitiated by the fumes of the dung and urine. In the 

 stables of the post- master, where not only closeness 

 and heat, but the filth that would not be in a gentle- 

 man's establishment, are found both inflammation of 

 the lungs and glanders prevail ; and in the stables of 

 many agriculturists, cool enough from the poverty or 

 the carelessness of the owner, but choked with filth, 

 inflammation of the lungs is seldom seen ; but mange, 

 glanders, and farcy abound." 



Whatever may be the cause of this disease, it is very 

 certain that its effects are most rapid, and its duration 

 most uncertain ; this arises from the lungs being more 

 vascular than any other parts, and as they are enclosed 

 in a case of very circumscribed dimensions, the swel- 

 ling which is attendant on inflammation taking place 

 in this confined space, the air-cells become nearly 

 closed, which may also account for the difficulty of 

 breathing which accompanies this complaint. 



