162 STORRS AGRICULTURAL EXPERIMENT STATION. 
calf appeared healthy and vigorous at birth, and continued so 
until more than a year anda half old. The plan of the test 
with these two calves was to pasteurize one-half of the milk of 
cow No. 1341 and feed it to its offspring, and to feed the 
balance of the milk in its normal condition to calf F. ‘This 
calf was chosen for the purpose, because it was supposed that 
its.dam was free from tuberculosis, as she did not respond to 
the tuberculin test made about seven months prior to the birth 
of the calf. 
Both of these calves have been kept in a room separate from 
the tuberculous cows, although in the same barn with them. 
The calves were in the second story of the barn, while the 
cows were stabled in the basement underneath. ‘The portion 
of the milk of cow No. 1341 which was fed to calf E was heated 
to a temperature of from 170° to 175° F., and diluted with cold 
water before feeding. ‘The balance of the milk of the same 
cow, in a normal condition, was fed to calf F as soon as pos- 
sible after milking. Both calves had a small quantity of bran 
added to the milk after they were about two months old. The 
feeding tests of these two calves continued from August, 1898, 
till June 5, 1899. Both calves were tested with tuberculin 
when about four months old, December 22-23, 1898, and again 
June 2-3, 1899, when nearly ten months old. In neither of 
_ these cases did they show any response to the test. 
It was planned that the feeding tests of these two calves 
should continue for about two weeks longer, or until the 
animals could be sent to pasture; but by a misunderstanding - 
on the part of the attendant the milk was not pasteurized for 
calf Hj, and both animals were fed the normal milk of cow No. 
1341 from June § to 24, or for a period of nearly three weeks. 
_ Both calf EH and calf F were brought from the pasture November 
13, and were placed in the same stable with the tuberculous 
cows. They were again subjected to the tuberculin test De- 
cember 1-2, 1899. Calf E (the offspring of cow No. 134I>) 
responded to the test, giving a maximum temperature of 106°, 
while calf F showed no rise of temperature. Calf F was kept 
in the same stable with the cows until April, 1899, and in 
March, 1899, when nineteen months old, it also responded to 
the tuberculin test. 


