34 DISEASES OF THE HOG. 
CHAPTER IV. 
DISEASES OF THE STOMACH. 
Indigestion.—The pig, like other animals, suf- 
fers at times from derangement of the stomach. 
If fed for a long time on one kind of food it is likely 
to be affected with indigestion, loss of appetite, 
dullness and loss of flesh, and this condition is fa- 
vorable for the development of worms or ulcera- 
tion of the stomach. It is therefore necessary, in 
order to keep a pig in good health, to give it a 
mixed diet or complete change of food for a few 
days. There are a number of diseases in other 
parts of the body which are caused by a faulty 
digestion, such as diarrhea, vomiting, lung and 
skin diseases and a number of others. — 
Symptoms of Indigestion: The appetite is 
usually more or less impaired, and sometimes 
wanting altogether, constituting “anorexia;” in — 
other cases again there isamorbid craving for stuff 
that they would not touch in health; they will come 
up to the trough, take a few mouthfuls, then leave 
off; in some cases the pig will press its nose against 
the ground and may whine or squeal; sometimes 
it will vomit up a thin, sour-smelling liquid mixed 
with a little half masticated food; the bowels may 
