STRANGLES. 215 



shaped cartilages of the joint, and is a serious disease, as 

 all joint aiFections commonly are. 



Symptoms. The leg is held firmly somewhat in advance 

 of the other, and is thrown outwards at every step. The 

 joint is enlarged, and the capsular ligament very much 

 distended, especially when the animal's weight is thrown 

 upon it, by holding up the sound leg. 



Treatment. Not satisfactory ; as ulceration is generally 

 progressive in its character, and frequently destroys the 

 heads of the bones. But the ointment of the red iodide of 

 mercury may be tried. 



Bin-iodide of mercury, one drachm; hog's lard, one 

 ounce ; mix, and apply by rubbing with the hand, once a 

 week, for a month. Lard or oil the parts daily, between 

 each application. 



Stomach Diseases, — (See Gastritis Mucosa, Staggers, 

 Colic and Enteritis.) 



Stone in the Bladder. — Are those concretions 

 named calculi, formed in the bladder from a diseased 

 condition of the urine. 



Symptoms. Pain, an occasional stoppage in the stream of 

 the urine before all is passed, and a straddling gait. 



Treatment. Is the province of surgery. 



Strains. — (See Sprains.) 



Strangles. — This is an eruptive fever, characterized 

 by swelling in and between the bones of the lower jaw, 

 terminating in an abscess. 



Cause. A specific poison in the blood, which few, if any 

 horses that live ten years, ever escape. It especially 

 attacks young horses, but is often seen in those of in- 

 creased years. Sometimes, the enlargement or abscess of 



