146 
THE VETERINARY SCIENCE 
Fig. 12. — Bots. 1. Showing Bots Clinging to the Stomach. 2. A Horse Aggravated 
by a Female Fly. 
a teaspoonful of ground sulphate of iron in his feed twice 
a day. 
II. The Bowels. 
6. Spasmodic Colic. 
This is a spasmodic contraction of the muscular fibres of 
the coats of the bowels, or in other words, cramps of the 
bowels. It usually affects the small bowels, although the 
large bowels are sometimes affected. 
Causes. — The principal cause is a change of food, for 
example, the giving a feed of roots when the animal is not 
used to it, especially if frozen. A cold drink of water when 
the animal is hot will cause it. Sometimes it results from 
giving physic or from a sudden change in the weather. Some 
horses become, as it were, subjected to this disease, more 
especially if the stomach is not digesting the food properly. 
Although very painful while it lasts, it is not very fatal, and 
usually passes off quickly. If not attended to, the chief 
danger is inflammation. It then becomes a very serious 
matter. 
Symptoms. — The attack comes on very quickly. In some 
cases the horse will paw, cringe, look at his side, and throw 
himself to the ground as if in great pain, roll around and try 
to balance himself on his back. If the weather be hot, he 
will sweat very much. He 'may He quiet for a few minutes, 
get up, and may appear all right. lie may eat a little, but 
the pain comes on again, and acts in the same manner as 
