Identifier: milkitsrelationt00unit (find matches)
Title: Milk and its relation to the public health
Year: 1912 (1910s)
Authors: United States. National Institute of Health. (from old catalog)
Subjects: Milk Public health
Publisher: Washington, Govt. print. off.
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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597 plates and the shake cultures in neutral-red-lactose agar were madethey were transferred to the supply case and this was shipped to mm 111 11 ; i ; JLUi
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Fig. 63.—Alcohol vapor lamp with the tin cylinder in place. Washington usually in the evening of the day on which the cultureswere taken. 598 The cultures arrived in good condition except in a few cases, and inevery case it was possible from one or both Petri dishes to make adetermination of the number of bacteria per 1 cubic centimeter of thewater. It was found desirable to visit a certain number of dairies a secondtime after an interval of about four or five months from the date ofthe first visit, in order to check up and supplement the results ob-tained upon the first occasion. The results of the investigation are given in detail in a report tothe chief of the Bureau of Animal Industry which also includes de-scriptions of the places visited with photographs of many of them.In general the results show that there were 140 places visited inMaryland and 15U in Virginia. Of the Virginia dairies, 53 were vis-ited a second time. At some of the dairies 2 different supplies wereused, eith

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