330 THE DISEASES OF SWINE. 



tender flesh of young animals, being unable to enter the 

 solid flesh of those even one year old. (Armitage.) 

 Prevention. — Peed swine on healthy food. 



PROTRUSION OF THE RECTUM 



Is common. The causes are violent straining during 

 constipation, diarrhea,, impaction of the stomach, worms, 

 piles, and injuries inflicted in the anus or intestine; it 

 may also follow difficult parturition and stitching across 

 the vulva to prevent eversion of the uterus or bladder. 



Fig. IG1. Protrusion of the Rectum. 



Remedy. — When recent, the color bright, and the tu- 

 mor of moderate dimensions, merely wash parts gently 

 with warm water, the whole carefully compressed at the 

 sides by the fingers, which are spread so as to include as 

 much of the tumor as possible. By a kneading move- 

 ment, in which the thumbs should be especially active, 

 the central part gradually returns, followed by the outer, 

 until the whole is replaced. Subsequent straining is to 

 be checked — when not caused by constipation — by a full 

 dose of opium or chloroform, chloric ether, &c, and in- 

 jections of the same fluids may be required. When con- 

 stipation is the cause, purgatives should be given, com- 

 bined with anodynes. Change food if necessary. Some- 

 times the organ is protruded six or seven inches, is greatly 

 swollen, and now and then lacerated by being seized by 

 other pigs. Foment for two hours or more, and if nee- 



