206 ILLINOIS STATE DAIRYMEN'S ASSOCIATION. 



the milk supply. I do not want to tire you in regard to this 

 matter, but I am willing to continue it as long as you are inter- 

 ested. Any other questions? 



Member: The tuberculin test would not cause the cow to 

 lose her calf only through the shock; that is why you do not use 

 the tuberculin test just before, is it not? 



Prof. Russell : I have never had a case where the tuber- 

 culin test has produced any undesirable result. I have known 

 of some instances, but in my experience it has not been true. 



Member : I know a man who lost two-thirds of his calves 

 from animals that were tested. 



Prof. Russell: If you test all of your animals you could 

 not tell whether it was contagious abortion or not ; sometimes it 

 runs through the whole herd and you cannot control it. It 

 might in your case be contagious abortion. 



Member: If this milk was boiled from the reacting ani- 

 mal would it be harmful? 



Prof. Russell: If you boil the milk and keep it to a tem- 

 perature of 140 degrees or higher for ten minutes it will kill 

 all the tubercular bacilli and this renders the milk perfectly 

 harmless. 



Member : In the eastern states after using the tuberculin 

 test they have abandoned it as impracticable. 



Prof. Russell: Tell me where. 



Member: In New York, in Boston and in England. 



Prof. Russell : New York first passed a compulsory law 

 about ten years ago. They started on Cape Cod ; they tested 

 their animals, and what was the result? There was no public 

 sentiment behind the law; they spent over three-quarters of a 



