42 DISEASES OP THE HOG. 



VOniTINQ. 



Vomiting is the act of ejecting material from 

 the stomach. It is accomplished in two modes. 

 Simple vomiting is merely regurgitation or eructa- 

 tions effected by contractions of the stomach, 

 sometimes assisted by the voluntary contractions 

 of the diaphragm. Second form, which is the re- 

 sult of the combined actions of the stomach, dia- 

 phragm and abdominal muscles. 



Causes: The most common cause of vomiting is 

 inflammation or irritation of the stomach. Sub- 

 stances in the form of food which are not readily 

 digested become sour and irritate the stomach. 

 Diseases of the abdnominal viscera are very apt to 

 cause it also. There are conditions of the nervous 

 system, produced by various causes, which dispose 

 to that cerebral action essential to vomiting. In- 

 juries to any part of the body which produce shock 

 or exhaustion will cause it. Disorders of the brain 

 are often accompanied by violent vomiting. Some- 

 times pigs may appear well and eat heartily and in 

 a few minutes afterwards vomit; this form is 

 usually the result of ulcers and can usually be pre- 

 vented by putting a few drops of carbolic acid in 

 the food, five drops are usually sufficient. 



Treatment: It is obvious that we should find the 

 cause, as upon the condition depends the value of 

 the remedy. If from eating indigestible food, give 

 a teaspoonful of aromatic spirits of ammonia. Tf 

 from inflammation or irritation, give from one lo 

 two grains of opium in pill, or from one to two 



