48 Report oF DEPARTMENT OF ANIMAL HUSBANDRY OF THE 
a few days preceding the test at which she had reacted. Again 
if the stable conditions were responsible for her infection it was 
strange that no similar cases have developed before or since. 
With the exceptions of Kate and Millie D. all of the 6 cows in 
the diseased herd responded to the test. As this was the last test 
given to these animals, with the exception of Millie D., the record 
of this test is given in Table I. 
