CASTRATION OP THE DOG ] 29 



Age — All ages, preferably young dogs. 



Season — All seasons. 



Preparation— It is essential to have the alimentary tract empty. Tliis 

 is aecomplished by withholding food for twenty-fonr hours previous to op- 

 erating. 



Fig. 110 — Incision closed with three interrupted sutures. D, Sutures; E, incision. 



Bestraint — Preferably on operating table elevated to a perpendicular 

 position, or in the absence of a table the animal may be hung upon a wall 

 or post. In either event the tape muzzle is applied as a protection against 

 bites. 



Instruments — 1. Sliles' hooked castrating knife. (Figure 25.) 



2. Emasculator. (Figures 102 and 103.) 



