TUBERCULOSIS 



75 



ter, as well as cheese, may contain tubercle bacilli. In 

 some places this has been proven by a comparatively 

 large number of butter tests. 



In this connection, the question is naturally raised: 

 Is tuberculosis transmissible to man through milk and 



dairy products ! Avian tuberculosis has been shown to 

 differ essentially from tuberculosis of mammals; then 

 is tuberculosis of man identical with that of cattle? 

 With the discovery of the tubercle bacillus, this ques- 

 tion was answered affirmatively, and this gave impetus 

 to the movement for meat inspection and dairy inspec- 



