136 CAUSES OF UNSOUNDNESS. 



writer is aware — been proved. The mere fact of 

 the progeny of a certain sire, or dam, producing 

 offspring that have subsequently become '' roarers " 

 may be taken as evidence, but cannot be accepted 

 as proof, more especially when one considers 

 that the progeny of inveterate '^roarers" may be, 

 and remain sound in wind. When speaking of 

 "grunting," reference has been made to this as 

 a sign, though not a positive one, of " roaring," 

 but the best method to bring the roaring sound 

 out is, in the case of a saddle horse, to gallop 

 it sharply over heavy ground, or up hill; still it 

 must be borne in mind that when the seller of a 

 horse which is affected in its wind, or the groom 

 of a seller, rides the animal, he can keep the sound 

 under — by galloping the animal whilst it is at 

 a distance, but when it comes near to the observer 

 letting it slow down. This is called the " long 

 trot." Cart horses should have a good load put 

 behind them and be compelled to move sharply up 

 a stiff incline, or they may be put in a lunging 

 rein, and circled at a trot for five or ten minutes. 

 The writer frequently tests this class of horse in 

 the latter manner. All kinds of horses are equally 

 subject to ** roaring," but it is more frequently met 

 with in animals required for fast work. What may 



