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At the meeting of the Association of American Physicians at Washington, Sept. 20, 1889, Dr. Harold C. Ernst, of Boston, read an important paper on the question of the safety of using the milk of tuberculous cows for food. Although the possibility of contracting tuberculosis from this source has already been recognized, the danger has been generally supposed to be confined to the milk of cows whose udders were invaded by the disease. Dr. Ernst gives very strong reasons for thinking that there is not even this degree of security. His investigations were made under the auspices of the Massachusetts Society for the Promotion of Agriculture upon thirty-six tuberculous cows, which presented no evidence of disease of the mammary glands. The milk was examined for the tubercle bacillus, inoculations of the milk and cream were made upon rabbits and guinea pigs, calves and pigs were fed upon the milk, and,
MILK AS A VEHICLE OF TUBERCULAR INFECTION. JAMA. 1889;XIII(23):815. doi:10.1001/jama.1889.02401190021005
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