Glanders or Farcy 



231 



It may be contracted in a stable where glandered horses have been 

 kept. Pnblic watering troughs and public feeding and hitching 

 letables are thus important in the spread of the disease in districts 

 where it is prevalent. It is probable that when the germs of the 

 disease gain entrance into a susceptible animal, thev pass to the 

 intestines and thence to the blood, and may lodge in the capillaries 

 of the lungs, liver or other organs. When the germs gain en- 

 trance into the body of the slightly susceptible or innnune animal, 



J'iG. 79. Siiowixc; Reacttox to Optiialmic Test 



AND SWELLIXI; ON XecK FROM SUBCUTANEOUS IN- 

 JECTION 



they may be destroyed; but when introduced into a highly suscep-' 

 tible animal, or one with low vitality, the disease is likely to be 

 produced. 



It is believed that the entrance of the genns into the alimen- 

 tary tract is the most common means of infection. This may 

 occur from the feed and water becoming contaminated by the dis- 

 charge from the nose or farcv ulcers. Once the germs have 



