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 



