80 STORRS AGRICULTURAL EXPERIMENT STATION. 
the time of heating also varying quite widely. The machines 
devised usually receive a large number of bottles of milk, heat 
them to this temperature, and then close them, sealing them 
hermetically, while they are still inside of the apparatus, in 
order to avoid the chance of air contamination if the machine 
were opened before the sealing of the flasks takes place. 
Various mechanical contrivances for this purpose have been 
devised. Such milk is then sold as sterile and sure to contain 
no bacteria, and as, consequently, capable of being preserved 
for an indefinite length of time. Such milk may be exported, 
may be kept for months, and whenever it is opened it will be as 
fresh as the first day it is closed. The popularity of this type 
of sterilized milk has undoubtedly been growing quite rapidly 
in the few years since it has been offered to the public. People 
who are aware of the dangers from drinking milk are glad to be 
able to relieve their mind from the conception of the danger 
by feeling that they are drinking milk that is absolutely safe. 
The results of the extension of the use of such sterilized 
milk are, according to the claims of the statisticians, very 
satisfactory. It has been found that, as the use of sterilized 
milk has extended, the number of deaths among children from 
intestinal troubles has decreased. This decrease, moreover, 
is undoubtedly to be traced to the milk sterilization, as is 
shown by a careful comparison of the amount of mortality 
among children living upon sterilized milk and those living 
upon raw milk. The following statistics will indicate this and 
show to what an extent the adoption of sterilization in milk is 
having an effect upon infant mortality. Out of each one 
thousand deaths that occurred in the city of Grenoble, France, 
in the years 1894-1897, there occurred the following number 
among infants: 
In the year ; : ? : 1894 1895 1896 1897 
Among children using raw milk : : 66 86 54 69 
Among children using sterilized milk . 25 42 16 27 
Wherever the adoption of sterilization has occurred a 
somewhat similar result has been reached. 
There are, however, certain disadvantages in this method 
of treating milk, disadvantages so great as to lead a large class 
of people to refuse absolutely to adopt sterilization. F irstly, 
the treatment of milk by such a high temperature very de- 
cidedly changes its taste and gives it the well known cooked 
taste, which to many people is quite disagreeable. Many 
a 
weebihr 
