SECURING OTHEE DOMESTIC ANIMAXS. 



Fig. 57.— Twitch for Swine. 



zle must be put on his snout to prevent Ms biting, or a peculiar 

 twitch, placed between his jaws and twisted over the upper one. 



If an examination or operation is to be made about the mouth, 

 a wooden gag placed between the jaws and held with cords, will 

 be found of great utility. The various operations performed upon 



Fig. 58.— Gag for Swine. 



the noses of swine, to prevent them from digging the ground, may 

 be considered to some extent as means of restraint. The incision 

 of the snout, which consists in making several transverse cuts 

 through it; the nasal tenotomy, though not so successful; the 

 application of rings through the nose, by the same methods as 



To Prevent Swine from Digging. 



