London's Pulse: Medical Officer of Health reports 1848-1972

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West Ham 1947

[Report of the Medical Officer of Health for West Ham]

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HEAT-TREATED MILK

Particulars are given below regarding the various types of heat-treated milk which were sampled during the year and submitted to the appropriate tests:—

Type of MilkNumber SampledResults of Examination
Number SatisfactoryUnsatisfactory
Failed Methylene Blue TestFailed Phosphatase Test
Pasteurised78762*-
Pasteurised (From Schools)4646
Tuberculin Tested (Pasteurised)64612*. 1*
Heat-Treated142142
Sterilised118118
Totals44844341
*Letters of caution sent
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EXAMINATION OF MILK FOR TUBERCULE
(GUINEA PIG TEST)
During the year 46 samples of milk were taken from
various sources, as shewn below, and were examined for the
presence of the tubercle bacillus. One sample proved positive,
and the infected animal was traced and slaughtered under the
Tuberculosis Order of 1938.

BIOLOGICAL TESTS

Type of MilkNumber ExaminedResult
PositiveNegative
Tuberculin Tested (Certified)
(From Purveyors)1919
Accredited (From Producer)22
Pasteurised33
Pasteurised (From Schools)66
Raw Milk (Taken on delivery from producers prior to treatment)1515
Raw Milk (From producer)11
Totals46145
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