DISEASES A^'D TEEATMENT OF THE HOKSE. 65 



CHRONIC COUGH. 



It is called this when no other disease can be seen. 



Causes. — It may result from laryngitis, or inflammation of the 

 throat. Sometimes a horse is noticed to have this kind of cough 

 tor some time before he takes heaves, or broken wind. A cough 

 of this kind is generally worse during changeable weather and is 

 sometimes shown more after eating and drinking or after being 

 brought out of the stable. 



Treatment.— Give the following powder: 



Tartar Emetic ^ pound. 



Camphor j " 



Ground Digitalis J " 



Mix thoroughly and give one teaspoonful night and morning in 



feed or on tongue with a spoon. A teaspoonful of oil of tar in his 



feed three times a day is also recommended. 



ROARING. 



This disease is breathing with a loud and unnatural sound 

 upon any violent exertion. More air passes into the nostrils than 

 can pass into the lungs, and this is due to the wasting of the 

 muscles of the larnyx, or Adam's apple ; this condition causes the 

 passage through the larynx to be smaller than natural. The air 

 rushing through this small passage into the lungs acts on the 

 vocal cords ; this is what causes the peculiar sound. 



Causes. — This disease sometimes follows laryngitis, distemper 

 and influenza by being put to work too soon after recovering from 

 them. It may also be hereditary, that is where the sire or dam of 

 the horse has been aff"ected with roars. It may come on from 

 tight reining. Horses with very long necks and narrow jaws are 

 apt to become roarers. 



Symptoms. — As long as you do not excite the animal he is 

 almost free from it, but if he is worked or driven hard he w^ill show 

 it quickly. 



Treatment. — If this disease is once well established it is 

 incurable, but in cases where the disease is just coming on gi\ e 



Iodide of Potash .^ pound. 



Nitrate of Potash or Saltpetre ^ " 



Mix thoroughly and give a teaspoonful twice a day, nio-ht 

 and morning, in his feed, and blister the throat with 



Ground Spanish Flies, or Cantharides ^ dram. 



Red Precipitate, or Biuiodid of Mercury ^ " 



Vaseline, or Lard " f ounce. 



