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That tubercle bacilli may be conveyed by milk is generally conceded. Even in the beginning of bovine tuberculosis the milk may be infectious. Bacilli have been demonstrated by animal inoculations in milk of cows giving the tuberculin reaction, but without local lesions. Milk as such is not the only carrier of tubercle bacilli. They are being demonstrated in the various products of milk, such as butter and cheese. Recently Rabinovitch discovered tubercle bacilli in a German patented preparation, made from beef fat and other ingredients, and placed on the market as an artificial butter. They have been found by Morgenroth in margarin. It is suggested by both these investigators that the beef fat used in these preparations may have contained minute tuberculous lymph-glands. Certainly bovine tuberculosis seems to constitute one of the important problems in the present struggle against human tuberculosis. Bovine tuberculosis, in all its ramifications, should be subjected
TUBERCULOSIS AND MILK.. JAMA. 1900;XXXV(19):1221-1222. doi:10.1001/jama.1900.02460450037012