The Nodular Venereal Disease 



297 



of any ordinary infection from one to the other. Various 

 mechanical injuries may occur, and an indefinite variety of 

 infections may invade the area, but the nodules, which are 

 already present, either complicate or are complicated by 

 them. Consequently it appears desirable to deal with bal- 

 anitis as being ordinarily identical with the nodular vene- 



Fig. 84— Bull Calf of same age as Fig. 83. 

 Grown in ordinary manner on Raw Milk, showing Matted and Stained Pre- 

 putial Tuft. The body hair is also shown to be harsh and rough. 



real disease. This does not prevent or complicate separate 

 consideration of rupture of the prepuce or other mechanical 

 injuries, or of such localized specific infections as actinomy- 

 cosis or tuberculosis, which have already been discussed. 



The inflammation of the sheath, prepuce and mucosa of 

 the glans, due to the nodular venereal disease, is practically 

 universal in bulls, but the degree of inflammation varies 

 widely. The ordinary degree plays no visible part in the 



