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

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West Ham 1946

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

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HEAT-TREATED MILK

In addition to designated milk, the following samples of heat-treated milk were submitted to the appropriate tests: —

TypeNumber SampledResults of Examination
Number SatisfactoryFailed Methylene Blue TestPhosphatase Test
Sterilised1201146†Satisfactory
Heat-Treated1381335†Satisfactory
Homogenised17142†Satisfactory
1†
Totals27526114
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*Letters of caution sent
† Owing to abnormal atmospheric conditions, it was not
possible to carry out the methylene blue tests on these
samples, as the maximum recording thermometer exceeded
65 deg. F. during the night.
EXAMINATION OF MILK FOR TUBERCULE
(GUINEA PIG TEST)
During the year 42 samples of milk, as shewn below, were
examined for the presence of tubercule bacillus. All samples
proved negative.

BIOLOGICAL TESTS

Type of MilkNumber ExaminedResult
PositiveNegative
Tuberculin Tested (Certified) (From Purveyors)12-12
Tuberculin Tested (Pasteurised) (From Purveyor)1-1
Accredited (From Producer)22
Pasteurised
On delivery at institution33
From schools55
From retailer11
Raw
Taken on delivery from various Producers at the premises of a Retailer18-18
Totals42-42
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