CHRONIC INFECTIOUS DISEASES 115 



ment. Where the bull becomes infected from cows 

 suffering from a pyogenic vaginitis, a urethritis often 

 develops ; this often resists the most rigid medicinal 

 treatment, as the infection continues to persist in the 

 urethra at the curvature of the penis. In this con- 

 dition vaccines should be employed, together with 

 medicinal treatment in the form of urinary anti- 

 septics and the local application of astringent anti- 

 septic solutions. 



