466 Pork Production 



ant may be practiced in large herds. Ulcers should be 

 scraped or curetted and cauterized with lunar caustic. 

 It is best to kill pigs showing extensive ulceration of 

 the gums and lips. 



Gastro-enteritis or inflammation of the stomach and 

 intestines. 



Inflammation of the stomach and intestines may occur 

 independently, but usually both organs are involved. The 

 causes are very similar. The disease is common in feeding 

 hogs that have "gone off feed" for a few days, and when 

 they again begin to eat overload their stomachs. Feeds 

 that are spoiled or contain such acrid poisons as washing- 

 powders are common causes in swill-fed hogs. It may 

 occur as a complication of other diseases. Gastritis is 

 always present in salt poisoning. 



The symptoms are loss of appetite, restlessness, and 

 sometimes colicky pains. In poisoning caused by salt, 

 brine, or washing-powders, marked weakness and depres- 

 sion occur. The hog usually wanders off by itself, acts 

 dull, grunts, lies down in a quiet place, or stands with 

 the back arched and abdomen held tense. Vomiting is a 

 common symptom. Constipation and diarrhoea occiu". 

 The body temperature may be above normal early in 

 the disease ; later, normal or subnormal. 



The treatment is largely preventive. This consists in 

 preventing hogs that are off feed from overloading when 

 they again begin to eat, and practicing proper precautions 

 when feeding slop or garbage. Poisoning from eating too 

 much salt is common in hogs. Hogs should be salted at 

 regular intervals or have access to it at all times. Stock- 

 foods that consist mostly of common salt, Glauber's or 

 Epsom salts should not be mixed with the feed. Hogs 



