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University of Washington, Seattle, Washington
North Carolina Agricultural and Mechanical College, Raleigh, North Carolina
ABSTRACT
I. LONGEVITY OF BACT. TYPHI AND ALLIED SPECIES OF BACTERIA ON DAIRY UTENSILS AND IN WATER
In the course of extensive field and laboratory work on dairy and milk inspection problems in the South, the authors became thoroughly convinced of the tremendous importance of a safe water supply on dairy farms. This is not by any means an original or new idea for it has been pointed out before by a number of able sanitarians and scientists. For example Health Officer Letter No. 13 of the Bureau of Animal Industry, United States Department of Agriculture, issued in 1918 deals entirely with this subject. Nevertheless there is a well recognized dearth of actual data based upon experimental work upon which the sanitarian or milk inspector may draw. This paper is presented therefore for the purpose of furnishing some definite information upon the following points: First, the longevity of certain bacteria of the typhoid group upon dairy utensils and in water; second, the extent of pollution of certain dairy farm water supplies and third, the efficiency of various methods of washing and sterilizing dairy utensils, particularly bottles.
1 Joint contribution from the Department of Food Preservation, University of Washington, Seattle, and Pathological Laboratory, North Carolina Agricultural and Mechanical College, Raleigh, North Carolina.
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