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Contagious Diseases and Their Suppression. 269 



use of the drug for two weeks will be sufficient: Tinct- 

 ure of iodine may also be painted over the enlargement 

 frequently. In those cases in which a large open sore 

 has resulted, in addition to the internal treatment, a mix- 

 ture of equal parts of sulfuric acid and turpentine may 

 be applied with a wooden paddle 5 get the druggist to 

 mix the two drugs. 



Contagious eye disease in cattle, technically termed 

 contagious keratitis, sometimes termed pink eye of cattle, 

 is in some localities and at some seasons quite a common 

 disease, usually appears in the summer or fall. One or 

 both eyes may be affected, the eyelids swollen and closed 

 and seem unable to bear the clear light, there is a milky 

 appearance of the front part of the eye, the corriea, thus 

 giving rise to the common idea that a scum is over it, 

 the darkest spot often a yellow color, is seen in the cen- 

 ter, in some cases a purulent (mattery) discharge is 

 present, sometimes the contents of the eye escape and 

 vision thereby destroyed, the affected animal stops eat- 

 ing, cows will fail in their milk. Fortunately the ma- 

 jority of cases recover completely under proper treat- 

 ment, which is quite simple but effective. It is as 

 follows: Separate all the affected cattle from the healthy 

 ones, and give those affected the usual dose of epsom 

 salts, place in a darkened stall and keep a clean cloth 

 dampened with a solution of boracic acid, one ounce to 

 a quart of clean water containing a couple of ounces of 

 laudanum or belladonna, over the eye, or else apply the 

 solution mentioned once or twice daily; as many very 

 bad cases recover, treatment should be persisted in, if 

 the eye does not seem to clear, or an abscess forms, apply 



