106 THE IMPROVED ART OF FARRIERY. 



arises from its distending the belly, and consequently 

 impeding, in some degree, the action of the lungs. It 

 is produced entirely from that indigestion which always 

 accompanies, more or less, a diseased state of the 

 lungs ; for as a free and perfect respiration is essential 

 to the general health and vigour of animal bodies, so 

 the want of it must naturally impair the action of the 

 stomach, and produce the inconvenience above-men- 

 tioned." 



The system of cutting the anus, cannot be too greatly 

 exclaimed against ; it is now going fast into disuse. 

 Horses afflicted with this disease ought to have a mo- 

 derate degree of exercise every day when not in ordi- 

 nary employment. Drink ought to be administered 

 in small quantities and often, and be but seldom given 

 while in draught. 



ROARING. 



This is chiefly to be detected when the horse is put 

 into a brisk trot or gallop, especially up hill, when a 

 strange kind of grunt will issue from the throat if sub- 

 ject to it. Striking the animal suddenly will produce 

 the same sound : it is not very perceptible when in 

 gentle exercise. 



Causes. — Inflammation in the tracheal tube ; a band 

 of lymph running across the larynx and windpipe, and 

 thus obstructing his power of breathing freely. It is 

 sometimes the efibct of strangles and cold. 



Treatment. — ^When active inflammation produces it, 



