80 THE VETERINARY DOCTOR. 
for expelling the worms, previous to the administration of the arsenic or 
sulphate of iron. For tape-worm, if its presence is known, felix mas has- 
been deemed the best remedy, a half ounce of the decoction of the male fern. 
being given early in the morning and late at night. 
BOTS. 
These are often found in large numbers in the horse’s stomach, to the coat. 
of which they attach themselves firmly by two strong hooks. They appear to 
feed on the mucus of the stomach. A gadfly deposits eggs on some part of” 
the body, which after a while produce itching, when the horse gnaws at 
them and so swallows them; or they may fall from the hair of the throat 
and breast into the feed. At this stage the larve are very small, but in the 
stomach grow to the size of a 
small grub, when they let go, and, 
passing away in the dung, turn to 
a chrysalis, and finally to the gad- 
fly. It is a disputed question 
whether bots do injury to the horse 
when they remain upon the coat 
of the stomach, some even claim- 
ing that they are in these cases a 
benefit. If however they pass 
into the intestines and attack the 
sensitive tissues, their ravages are 
very alarming, producing colicky 
pains and other evidences of in- BORE TERE STOMACH 
testinal disorder. They may certainly be nearly if not quite harmless in a 
horse in ordinary health. 
Symptoms.—The symptoms which call for treatment are agony of the 
horse, with inclinations to violent colicky attacks; general symptoms of 
indigestion or colic. 
TREATMENT.—Give nux vomica for the colicky pains and ensuing indi- 
gestion. The appearance of the bots in the dung, though an unmistakable 
evidence of their presence in the horse, does not call for treatment; indeed, 
this is the best evidence that none is needed and that they are passing off in. 
a natural way. When there is great agony, with colic-attacks, pour down 
the horse’s throat a half-gallon or more of warm milk, or, still better, fresh. 
warm blood. This is rich food and the bots leave the tissues to feed upon 
it. As soon as the agony is relieved, give a pint or even a quart of linseed 
or olive oil, which will bring away the liquid and the bots. It is uscless to: 
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