37 



Asked if he didn't think milk was sometimes infective 

 without the udder being diseased ? He replied, no doubt 

 occasionally bacilli would find their way into the blood stream 

 and thence into the milk in the udder, but such cases were 

 rare. 



Asked if butter did not sometimes contain living bacilli and 

 was infective ? He replied, yes ; but he does not agree with 

 some persons who claim to find butter often infective. He 

 had caused butter to be made from milk obtained from cows 

 with diseased udders which he fed to rabbits and it produced 

 intestinal tuberculosis. Asked how long he thought tub-bacilli 

 would live in cheese ? He answered, for many months. He 

 referred to a Russian lady who was working in Germany, who 

 had published an article in which she claimed that the bacillus 

 found in butter was different from tubercle-bacillus. He said 

 he could not agree with her on this point. 



Referring to the Massachusetts stamping out method, he 

 considered it unnecessarily severe and it had in consequence 

 to be given up in Denmark. 



In Belgium they adopted a similarly severe method, but had 

 to retract considerably. They enforced testing and killed all 

 showing clinical symptoms, and gave the owner one year to 

 kill the remaining ones that had reacted. He considered this 

 too severe, and many well bred valuable animals were thus 

 sacrificed. 



With regard to heredity, he stated that while evidences of 

 hereditary transmission are not often met with, yet in ten 

 years he had met with eighty-five calves born with tubercle. 

 The returns of the German inspectors who reported finding 

 so few diseased calves were not accurate, as they examine so 

 many that they become indifferent ; whereas in Danish abat- 

 toirs the inspectors had less to do and by his instructions 

 they looked specially for such cases. 



Going to the post-mortem room he showed us two calves 

 which the inspectors had just sent in as affected at birth by 

 tubercle. We at once made a post-mortem examination and 

 discovered in both small tubercles in the bronchial glands and 

 liver. He explained that in a cow with advanced tuberculosis 



