PART III. 

 DISEASES OF THE DIGESTIVE ORGANS. 



CHAPTER I. 

 DISEASES OF THE MOUTH. 



STOMATITIS. 



Forms. — Depending on the cause, anatomical character, 

 course and species of animal various kinds of stomatitis 

 are recognized. The same cause may produce different 

 varieties of the disease. In practice the following forms 

 are distinguished: (a) Catarrhal stomatitis; (b) vesicular 

 stomatitis; (c) papulous stomatitis; (d) mycotic stomatitis. 



Catarrhal Stomatitis. — Character. — A catarrhal inflamma- 

 tion of the mucous membrane of the mouth. 



Occurrence. — A very common disease of all domestic 

 animals which when primary is due to irritants of various 

 sorts which are taken into the mouth voluntarily with the 

 'food and water or involuntarily as medicines in the form 

 of drenches, electuaries and boli. Catarrhal stomatitis is 

 secondary to a number of infectious diseases (foot-and-mouth 

 disease, influenza, Rinderpest, etc.), diseases of the stomach 

 and bowels, diseases which affect nutrition (anemia, rachitis) 

 and poisoning with aconite, mercury, and lead. 



Etiology. — The causes of catarrhal stomatitis are varied. 

 In considering the etiology one should distinguish between 

 the primary arid secondary forms. 



Primary Form. — (a) Direct injuries (sharp bits, rough 

 forage, foreign bodies [corn cobs, bits of bone or wood], 



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