197 



Treaimenf. — Prompt removal of all meclianieal obstructions to the 

 circulation. If it is due to venous obstruction by too tight a collar, 

 the loosening of the collar will give immediate relief. If due to 

 tumors or abscesses, a surgical operation becomes necessary to afford 

 relief. To revive the animal if he become j)artially or totally uueon- 

 cious cold water should be dashed on the head, and if this does not 

 afford read}' relief recourse must be had to bleeding to lessen arterial 

 tension. Tincture of veratrum viride or of aconite root may be given 

 in twenty-droj) doses every hour until consciousness returns. If the 

 limbs are-cold tincture of capsicum or strong mustard water should 

 be applied to them. If symptoms of paralysis remain after two or 

 three days, an active cathartic and iodide of potassa will be indicated, 

 to be given as prescribed for inflammation of the brain. 



Preveniion. — "Well adjusted collar, with strap running from the 

 collar to the girth, to hold down the collar when pulling \\\) grade; 

 regular feed and exercise, without allowing the animal to become 

 excessively' plethoric; moderate checking, allowing a free and easy 

 movement of the head; well ventilated stabling, proper cleanliness, 

 pure water, etc. 



SUNSTROKE — HEAT EXHAUSTIOX. 



The term sunstroke is applied to affections occasioned not exclu- 

 sively by exiDOSure to the sun's rays, as the word signifies, but by the 

 action of great heat combined generally Avith other causes, such as 

 dryness and rarefaction of the air and an unusual accumulation of 

 electricity. Exhaustion produced by a long continued heat is often 

 the essential factor, and is called heat exhaustion. Horses on the 

 race track undergoing protracted and severe work in hot weather often 

 succumb to heat exhaustion. Draught horses exposed to the direct 

 rays of the sun for many hours, which do not receive proper care in 

 watering, feeding, rest in shady places, suffer very frequently from 

 sunstroke. 



Symptons. — Sunstroke is manifested suddenly. The animal stops, 

 drojDS his head, begins to stagger, and soon falls to the ground uncon- 

 scious. The breathing is marked with great stertor, the pulse is very 

 slow and irregular, cold sweats break out in patches on the surface of 

 the body, and the animal often dies without recovering consciousness. 



In heat exhaustion the animal usually requires urging for some 

 time previous to the appearance of any other sj'mptoms, generally per- 

 spiration is checked, and then he becomes weak in his gait, the breath- 

 ing hurried or i^anting, ej'es watery and bloodshot, nostrils dilated 

 and highly reddened, assuming a dark, purple color; the pulse is 

 rapid and weak, the heart bounding, followed by unconsciousness 

 and death. If recovery takes place convalescence extends over a 

 long period of time, during which incoordination of movement may 

 persist. 



