160 



Axi:\rAL Castkatiox 



Fig. 135 — Mare Confined by Hippo Lasso. A, Right Hand Carrying Colin's Scalpel; B, 

 Left Hand Manipulating Spaying Speculum. 



5. Unguard and thrust the l)ladc through the roof of the 

 vagina. 



6. Eeguard the blade and withdraw the knife, at the same time 

 spaying speculum should also be withdrawn. 



7. AVith left hand enter the vagina and enlarge the o])ening 



Fig. 136 — Removing Ovaries. D, Right Arm; E, Spaying Ecraseur; F, Left Arm. 



