38 DK. I/EGEAR'S STOCK BOOK. 



Causes. Fast driving, or violent exertion, if the animal is 

 not in proper condition. 



Symptoms. The symptoms are very plain: the breathing is 

 difficult, a thumping sound is heard, which affects the whole 

 body, and is not confined to the region of the heart, but back 

 of it. By placing one hand on the body at about the middle of 

 the last rib, and the other one over the. heart just behind the left 

 elbow, it will be an easy matter to make a distinction between 

 the thumping or jerking of the diaphragm and the beating of 

 the heart. 



Treatment. The treatment should be the same as that given 

 for congestion of the lungs. If not relieved, death usually results 

 ftom congestion. 



HEAVES BROKEN WIND ASTHMA. 



Broken wind is a condition the nature of which is not very well 

 understood. Many horsemen wrongfully apply the term to all 

 ailments where the breathing is difficult or noisy. It is generally 

 accepted to be a derangement of the digestive organs, character- 

 ized by difficult and peculiar breathing and the presence of a 

 long, deep cough, known a,s "the broken-winded cough." 



Causes. Broken wind may be caused by improper feeding of 

 some kind, or by a supply of bad food, or bulky or dusty food of 

 any kind, the stomach being kept overloaded with the same. Se- 

 vere exertion when the stomach and bowels are full has a ten- 

 dency to cause broken wind that is, when the system is in poor 

 condition. A chronic cough from any cause is liable to run into 

 heaves. Another cause, and a very reasonable one, is that the 

 exciting cause of broken wind is due to an affection of a certain 

 nerve pneumogastric nerve, which sends branches to the lungs, 



