CONTAGIOUS UDDER-INFECTIONS 163 



acid injections and iodine embrocations. One cow was 

 slaughtered. The enzootic disappeared following this 

 treatment. In the same stall similar sporadic cases 

 developed. 



The milk sample submitted showed a somewhat normal 

 appearance, but was flocculent. The sediment consisted of 

 a moderate quantity of pus containing numerous small, thin 

 Gram positive bacilli (pyogenes bacilli). The diagnosis 

 was corroborated by autopsy of the udder sent in for ex- 

 amination following slaughter of the animal. 



