SURGERY AND OBSTETRICS 



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liquids, after which the scrotal skin along the line where the incision 

 is to be made is painted with tincture of iodin. A free incision should 

 be made through the skin and dartos. The incision should be parallel 

 to the raphe and extended low enough to insure good drainage. After 

 the testicle has been exposed the cremaster muscle is severed, if it is 



Holding pig for castration. (White's Castration.) 



well developed, and the testicle with the intact vaginal tunic is re- 

 moved in young pigs by a sudden jerk. The division of the vessels in 

 the spermatic cord by traction tends to prevent subsequent hemor- 

 rhage. In old boajs it is advisable to use either an ecraseur or emas- 



