] 42 THE CANADIAN HOESE - 



/Treatment is also similar to the treatment recommended 

 for pn qujnonia , with the exception that bloodletting should 

 not be practised in bronchitis, and purgatives must also be 

 used with extreme caution ; it is often much safer to open 

 the bowels by means of clysters than have recourse to -pur- 

 gative medicines, as the bowels are so extremely sensitive 

 in this disease. If the cough is very distressing^ the fol- 

 lowing ball wUl be found serviceable — 



Extract of belladonna, ... 1 drachm, 



Powdered digitalis, ... 2 scruples, 



Camphor, . . . . . 1 drachm. 



Powdered opium, .... 1 scruple, 



to be given morning and night. 



After the second or third day, if the weakness increases, 

 the following drench should be given four times a day-j 



I Sweet spirit of nitre, . . 1 fluid ounce. 

 I Aromatic spirits of ammonia, . 1 „ 



I Water (cold,) .... 1 pint. 



HEAVES OK BEOKEN-WIND 



is a very common affection of horses, and in some cases it is 

 attributed to emphysema of the lungs, or rupture of some of 

 the air-cells, whereby air escapes into the cellular or inter- 

 cellular tissue; in other instances it is due to some lesion of 

 the pneumogastric nerve. 



Causes. — A common cause is from riding or driving fast 

 immediately after feeding, or drinking a larg"e 'quantity of 

 water. It is also produced by feeding on dusty clover hay ; 

 it is also a sequel of some of the diseases of tbe air passages, 

 and of the chest. 



Symptoms. — Eespiration is conducted with remarkable 

 difference, the process of inspiration is quickly performed, 

 whilst the expiratory process takes place by a sort of double 

 action; and Qwing to the abdominal muscles being brought 



