Bacteriology 



toxin in the blood the horse is supposed to kill the germs of the fistula. 

 In some c£ises it seems to be of benef^ as a curative agent. These baoterins 

 which are injected under the skin are offered for sale by laboratories for 

 hemorrhagic, septicemia, white scours, influenza, contagious abortion, 

 and joint ill. 



The chief use of such becterins are to be found in using them 1o 

 prevent a portion of the herd from developing an infectious disease. 



