118 ANIMAL CASTRATION 



and flexes it against his liody. AVitli the right liand (G) he controls the 

 head. Witli a ram in this position the serotnm is readil}^ accessible. 



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



2. Swine and sheep emascnlator. (Fig. 80.) 



AnatoDiij — The scrotum is decidedly ponch shaped and possesses a dis- 

 tinct constricted neck at its summit. Tlie skin of the scrotum is covered 

 by .short, dense wool. The testicles are similar in shape to those of the 

 bull, and their long axis is almost vertical. In comparison to the size of the 



Fig. 97 — Testicle of a ram. L, Globus major of epididymis; M, testes; 

 N, spermatic cord. 



animal tlie testicles of the ram are unusuallj' large. The testicle of a 60- 

 pound lamb will weigh as much as the testicle of a 1,400-pound horse. 



Sterilization of Instruments and Cleansing Hands of the Operator — Boil 

 the instruments for fifteen to twent,y minutes, after which immerse them 

 in a clean vessel containing Lysol or cresolis compound (U. S. P.), one 

 taljlespoonful to the ciuart of water. 



Disinfection of Operative Field — Tlie scrotum should be sponged with 

 a pledget of cotton saturated with an antiseptic solution. Cleanliness here 



