250 DISEASES OF CATTLE. 



opening for some distance down, to close the orifice with stitches, and 

 to cover the whole with collodion. A teat tube or spring dilator may 

 be worn to drain off the milk and prevent distention and reopening 

 of the orifice. In case of an independent milk duct and gland one of 

 two courees may be selected — to open the one duct into the other by 

 incision and then close the offending opening, or to inject the super- 

 fluous gland through its duct with a caustic solution, so as to destroy 

 its secreting power. In both cases it is desirable to wait until the 

 cow goes dry. 



