CAUSES OF UNSOUNDNESS. 83 



recent or chronic. The evidence to be gleaned 

 from an examination of the lower part of the nasal 

 chambers may not be of much service ; still, it is 

 necessary. Veterinary surgeons usually defer the 

 examination of a horse as to soundness if there 

 is any catarrhal discharge from the nose, and 

 rightly so, knowing that such may be indicative 

 of disease, either temporary or permanent. In 

 glanders there is often ulceration of the nasal 

 cavities, and a discharge from one nostril — usually 

 the left ; and the traffic in glandered horses amongst 

 buyers of low-priced animals at repositories is carried 

 on to a much greater extent than many imagine. 

 To guard against the introduction of an infected 

 animal into a stud, it is expedient to keep the recent 

 purchase isolated for, say, six or eight weeks. 

 Although ultimately fatal, a considerable proportion 

 of glandered horses continue to perform their work 

 for several years. In this way they constitute a 

 most dangerous source of infection to man, and to 

 other horses. The detection of this disease in the 

 present day can be done with great certainty, 

 although the malady may exist within the system 

 in a very latent form. 



6* 



