102 



ANIMAL CASTRATION 



above and liaviug tlie assistant draw tlie forefeet of the hog off the floor 

 by traction on the rope. Tliis renders the animal absolutely helpless. By 

 such a method the operator with one assistant eaii handle the largest Jiog. 



Another quick method of restraint for operations of this character is 

 illustrated in Fig. 77. 



This consists in placing a rail or bar over the neck of the hog where it 

 is held by the weight of an assistant. 



Figs. 78 and 79 illustrate two methods of holding ]iigs and small slioats 

 for operation. 



I itstru))ients — 



1. Williams" castrating knife. (Fig. 2.) 



2. Emasculator. (Fig. 80.) This is an instrinnent specially con- 



Fig. 82 — J, Hand; H, I, incisions in scrotum. 



structed for castrating swine and sliec]), and is about one-half the size of 

 the one used in castrating stallions and colts and about twice the size of 

 the canine and feline instrument. 



Anatomy — The scrotum consists of two pouches formed by skin, sub- 

 cutaneous connective tissue, etc. These pouches are divided by a raphe or 

 median line ajid tit up close to tlie perineal region. These pouches each 

 contain a testicle ( Fig. 81 ) which is decidedly shorter and more rounded 

 than the testicle of many of the frther domestic animals. The long axis of 

 the testicle in swine is vertical. 



