OTHER NON-COMMUNICABLE DISEASES 351 



of great importance. It will not irritate the lungs nearly so much 

 as warm, impure air, provided the body is warmly protected by 

 a woolen blanket and the legs are wrapped with bandages. In 

 the early stages it is desirable to induce sweating for one to two 

 hours. This is best accomplished with a heavy woolen blanket 

 and 5 grains of pilocarpin administered hypodermically. Later 

 it may be necessary for the veterinarian to give fluid extract of 

 digitalis to regulate the heart. When the patient is very weak 

 and after the fever has commenced to fall, stimulants such as 

 strychnin and alcohol may be given. On no account should an 

 animal with pneumonia be drenched, as the fluid is apt to "go 

 down the wrong way" and cause serious trouble. Instead, give 

 medicines in the form of a paste which can be smeared on the 

 tongue or teeth. Whatever drugs are used should be given only 

 under the doctor's direction. Throughout the treatment remem- 

 ber that one should not let regard for inconvenience or expense 

 deter him from giving the patient every possible help. 



ROARING 



Roaring is a chronic disease of the air-passages of the horse in 

 which a noise resembling a whistle or roar is produced at each 

 forced inspiration. The fact that it is considered hereditary has 

 led to the disqualification of afflicted stallions for public service in 

 many states. 



Cause. — Some obstruction to the free passage of air is the cause. 

 In the usual form there is found a paralysis and wasting away of 

 one of the groups of muscles which move a part of the larynx. 

 Often a more or less serious sickness precedes the appearance of 

 this condition. 



Symptoms. — The chief symptom is a roaring or whistling 

 sound following a brisk trot or heavy work. This sound in 

 severe cases may be heard at some distance. 



Treatment. — Little hope can be entertained for spontaneous 

 recovery. Within recent years a surgical operation has been 

 perfected which relieves about 70 per cent, of the horses operated 

 upon when it is properly performed, so that permanent improve- 

 ment occurs, no matter what kind of work the animals are re- 

 quired to do. 



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