London's Pulse: Medical Officer of Health reports 1848-1972
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Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
West Ham 1949
[Report of the Medical Officer of Health for West Ham]
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The Regulations also provide for a turbidity test for sterilised milk which now receives legal recognition.
Results of examination
| Type of Milk | Number Sampled | Results of examination Reasons for failure | |||
|---|---|---|---|---|---|
| Number satisfactory | Number unsatisfactory | Failed Methylene Blue Test | Failed Phosphatase Test | ||
| Pasteurised | 101 | 98 | 3 | 3 | - |
| Pasteurised (from Schools) | 31 | 31 | - | - | - |
| Tuberculin Tested (Pasteurised) | 68 | 68 | - | - | - |
| Heat-Treated | 99 | 91 | 8 | 7 | 1 |
| Sterilised | 113 | 113 | - | - | - |
| Totals | 412 | 401 | 10 | 1 | |
25 Letters of caution sent,
EXAMINATION OF MILK FOR TUBERCULE GUINEA PIG TESTo
During the year 4l samples of milk were taken from various sources, as shown below, and
were examined for the presence of tubercle bacilli.
All samples proved negative.
The term "Tuberculin Tested (Certifled)" formerly used for tuberculin tested milk
bottled at the place of production, is replaced by "Tuberculin Tested (Farm bottled)" by
The Milk (Special Designation) (Raw Milk) Regulations, 19^9, which came into operation on
October 1st, 1949.
BIOLOGICAL TESTS.
| Type of Milk | Number examined | Result | |
|---|---|---|---|
| Positive | Negative | ||
| "Tuberculin Tested (Certified)" (from retailers) | 19 | - | 19 |
| "Tuberculin Tested (Farm bottled)" (from retailers) | 4 | - | 4 |
| "Accredited" (from producer) | 3 | - | 3 |
| "Pasteurised" (from retailers) | 3 | - | 3 |
| Raw Milk (taken on delivery at retailers premises, from producers prior to treatment). | 12 | - | 12 |
| Totals | 41 | 41 | |
THE PUBLIC HEALTH (CONDENSED MILK) REGULATIONS, 1923-19^3• During the year seventeen
samples of condensed milk were submitted for examination. Of this number, thirteen samples
were also examined for the purpose of testing the equivalent. This test determines whether
the contents of the tin will, when converted, give the amount of milk which is declared on
the label.
CONDENSED FULL CREAM MILK, SWEETENED. Seven Samples. Of these, three were also
tested for the equivalent.
10