PREVENTION,. SYMPTOMS AND TREATMENT 33 



yeast — a whole of one of Fleishman's yeast cakes in pills daily 

 for a dog; but their usefulness is somewhat doubtful Iron and 

 bitters are of advantage in anemia. Care must be taken to prevent 

 chafing of the skin, by dirty objects and especially so to avoid rub- 

 bing pus into the skin to start up a new crop of boils. 



Bots in Horses. 



Bots are the larvae of the common horse fly (Gastrus equi) 

 and of several, allied species. The eggs are laid on the hair of the 

 horse's body by the fly in summer and are licked off by the horse 

 and the resulting larvae find lodgment in the stomach and pharynx 

 by burrowing into the mucosa. The larvse rarely do harm in these 

 locations, but sometimes wander into the brain, peritoneum, etc., 

 with fatal results. A positive diagnosis of bots can not be made 

 unless the larvae can be found in the feces in which they naturally 

 escape in the spring of the year. Colic may be produced by bots. 



Treatment. — The treatment consists in the use of carbon di- 

 sulphide in capsules ; 3ii at hour intervals for three doses, followed 

 in twelve hours by a pint of linseed oil. 



Broken or Wounded Knees in The Horse. 



A horse may stumble and wound his knees from many causes ; 

 bad shoeing, carelessness on the part of the rider or driver, megrims, 

 speedy cut, etc., are among them. A lasting blemish detracts from 

 the value of the horse, on account of the suspicion: attaching to its 

 causation. For this reason great care should be used in the treat- 

 ment. 



Treatment. — When there is merely an abrasion of the skin, 

 the animal should have its head tied up for a few days,, toi prevent 

 the patient from; Lying down, and a compress wet continually with 

 white lotion may be applied! ( I£ Plurnbi acetatis, 3iii; zinci: sulphatis- 

 3iii; aquae, Oi. M. Sig. Apply externally after shaking). 



When the skin is cut, clip off all the hair and sterilize the part 

 by painting the wound and surrounding skin with tincture of iodine. 



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