78 MANUAL OF MODERN FARRIERY. 



a wliistle. Blisters liave sometimes been found to alleviate 

 this disease ; but a complete cure is quite liupeless. 



A WHISTLER. 



This is a mere modification of piping, and consists of an 

 inflammation situated so high up as the glottis, or higher ring 

 of the windpipe. The sound is more shrill than in the 

 former complaint ; and, like the former, it cannot be cured, 

 but the drench last mentioned will sometimes do the horse 

 good. 



CHRONIC COUGH. 



Symptoms. — This is a constant, irritating cough ; which 

 in particular manifests itself after feeding and drinking, 

 and on first being exposed to the open air in the morning, 

 and more especially after any excitement, such as hard work, 

 a sharp trot, or a gallop. In most instances the complaint 

 is accompanied by a staring coat 



Causes. — Chronic cough has its origin in some previous 

 inflammatory complaint. In becoming a fixed disease, it 

 will proceed from inflammation of the air passages ; or it 

 may be from severe irritation of the lower portion of tlic 

 windpipe. When the seat of the disorder is caused by 

 inflammation in the substance of the lungs, it will manifest 

 itself after eating, Avliich is occasioned by the distended 

 stomach pressing upon the diaphragm, and this organ in its 

 turn pressing upon the lungs. This renders them less capable 

 of transmitting the air through their passages ; which occa- 

 sions considerable excitement, from the great efibrt made 

 to perform respiration, and hence the irritating cough is 

 induced. 



Remedies. — The following dose to be given every niglit^ 

 until the cough is modified : — 



