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BACTERIA IN THE DAIRY. 23 
amount to an amount sufficient to inoculate a vat of cream. 
With the organism furnished in quantity in a pellet one step 
in this process is performed in the laboratory, and the use of 
the culture thus becomes possible in many places where it 
would not have been before. But even yet sthe errors in 
handling the culture are met constantly and must be expected 
until a more general knowledge of bacteriological methods is 
found among butter-makers. 
(3) Lack of interest on the part of butter-makers.—A third 
difficulty which was anticipated was a lack of interest on the 
part of the butter-maker. A large part of the butter-makers 
of the country are merely paid laborers and take comparatively 
little interest in the quality of their product. It makes no 
difference in their wages whether their butter is good or poor 
and they are not anxious to introduce into their butter-making 
any processes that give them extra labor. 
This lack of interest has been very largely dissipated by the 
dairy journals of the country. The butter-making communi- 
ties took hold of the matter of using this organism more readily 
than was anticipated, and during the last eight months the 
dairy press has attracted to the culture all of the public inter- 
est that was needed. Indeed, I have been inclined to think 
that the public attention that has been given to Bacillus No. 
41 has been too great for its proper testing, but this is a 
matter that it was impossible to control. When dairymen 
thought that they had a means of controlling the flavor of their 
butter, they did not hesitate to say so, and the dairy journals 
have given a notoriety to the use of this organism which was 
not at all anticipated a year ago and was not, indeed, wished 
-by myself. ‘The rapidly growing interest in the use of the 
culture has resulted in an extension of the experimenting more 
rapidly than would have been desired for the experimental 
purposes. If it had been possible to confine the experiments 
to 25 or 30 creameries during the last year the results would 
have been far more satisfactory. This, however, was a practi- 
cal impossibility, and when once the culture began to be known 
it was called for in many localities and has been used in very 
many places. 
While the public press has in a large measure dissipated the 
lack of interest which was anticipated it has not done so 
