!62 DISEASES OF THE DOMESTIC ANIMALS 



local application twice daily of a 5 per cent, argyrol solution to the 

 penis or vagina after cleansing may prove abortive. Great swelling 

 is reduced by constant hot fomentation with a simple antiseptic 

 solution (as saturated boric solution), or incisions, if necessary. 

 Later, astringent applications are indicated, as 1 per cent solution 

 of zinc sulphate or acetate, and externally black wash may be used. 

 Ulcerations should be treated with 10 per cent, silver nitrate solu- 

 tion occasionally. Sloppy food and abundant fluid should be of- 

 fered in the beginning. 



In dourine, tonics, as iron and arsenic, with nourishing food, 

 which may well include eggs and milk, should be given. Fibrin 

 was formerly prescribed, but probably only acted as a concentrated 

 food Mercury and iodides are advised on the supposed analogy 

 of the disease with syphilis, which supposition is without any suffi- 

 cient basis.* Often months of treatment are required to cure dour- 

 ine and three years should elapse before a stallion may be used for 

 service. Mild cases of the vesicular exanthema may be treated 

 expectantly. 



Malignant Catarrhal Fever in Cattle. 



While probably infectious this disease is rarely communicated 

 by contact of well animals with the sick. It is, however, often per- 

 sistent in a stable, may be enzootic, and attacks more commonly the 

 young in spring. The disease is characterized by rigors, dulness, 

 weakness, fever, and acute catarrh, with discharge from the eyes, 

 mouth and vagina. Croupous deposits are sometimes seen in the 

 nose and are coughed up. The accessory sinus's are the seat of 

 purulent inflammation which leads often to loss of horns. There is 

 great swelling of the eyes and various degrees of implication of 

 the eyeball. Colic, constipation followed by diarrhea, with croup- 

 ous membranes, sometimes occur. Severe strangury and hematuria ; 

 head symptoms, with frenzy and convulsions, are complications. 



* The Wassermann reaction will settle the question of the syphilitic origin 

 of dourine. 



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