150 



ANIMAL CASTRATION 



making the incision be sure to press tlie cervix downward and forward 

 with the spaying speculum in order to get the site of incision away from 

 the rectal wall. 



s K 



\ 



Fig. 137 — Making the vaginal incision. A, Position of riglit hand and arm; B, 

 uterus; C, anus; D, vulva; E. spaying speculum; P, vagina; G. cervix; H, urinarj' 

 bladder I, broad ligament; .J, rectum; K, position o£ left hand; L, left ovary; M, 

 location of knife thrust through the roof of the vagina; N, vaginal incision. 



Sterilization of Instruments and Cleansing Operator's Hands — The in- 

 struments should be boiled for fifteen to twenty minutes, after which place 



