238 ozEi^A. 



OZENA. 



P^ASAL Gleet.] 



Ozena* is a disease to which the horse is frequently subject ; 

 but one which, strange to say, none of our numerous veteri- 

 nary writers have, up to the present hour, fully and properly 

 described. Some time ago a Manchester veterinary surgeon 

 wrote an essay upon this malady, which appeared in the Veteri- 

 narian, for 1857. t The essay in question, is entitled 

 " Thoughts on Nasal Gleet ;" and is, perhaps, one of the 

 best articles upon the disease in our literature. 



Scores of animals suffering from Ozena have been con- 

 demned as glandered, and destroyed accordingly ; and scores 

 of cases of the disease have been cured, and the cures lauded 

 to the world as cures of Glanders. Most practitioners are 

 familiar with the malady in one form or another. It varies in 

 character from that of a simple discharge from one nostril, to 

 that of a most offensive purulent one, attended with ulceration 

 and caries of the bones of the head, together with wasting and 

 general emaciation of the system. 



Ozena is a disease which closely resembles Glanders. The 

 same structures are affected in both maladies ; and to crown all, 

 if the former be neglected, (especially if other circumstances 

 prove favourable, such as bad ventilation of the stable, expo- 

 sure of the animal to cold and wet, together with a poor diet) 

 it may readily pass into Glanders. 



Symptoms. — The existence of Ozena, in the generality of 

 its forms, is usually to be dated from the patient being attacked 

 with common Catarrh, or more especially with Epidemic 

 Catarrh ; when the owner will perhaps be surprised to find that 



* For a definition of the term Ozena, see Glossary, 

 t Thouglits on Nasal Gleet, by Mr. Thomas Greaves, M.R.C.V.S.— Fe^m- 

 narian for 1857. See pages 254 and 371 of that vol. 



