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
Battersea 1963
[Report of the Medical Officer of Health for Battersea Borough]
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All the 52 samples of ordinary milk were reported as genuine and the average composition was as follows:—
| All the 52 samples of ordinary milk were reported as genuine and the average composition was as follows:— | |
| Milk fat | 3.76 per cent. |
| Non-fatty solids | 8.68 |
| Total milk solids | 12.44 „ |
Their content of milk fat ranged as follows:—
| Their content of milk fat ranged as follows:— | |
| Over 4.0 per cent. | 4 samples |
| between 3.9 and 4.0 „ | 7 „ |
| „ 3.8 „ 3.9 „ | 20 „ |
| „ 3.7 „ 3.8 „ | 5 „ |
| „ 3.6 „ 3.7 „ | 10 „ |
| „ 3.5 „ 3.6 „ | 4 „ |
| „ 3.4 „ 3.5 „ | Nil „ |
| „3.3 „ 3.4 „ | 2 „ |
| 52 | |
Heat Treated Milk. Samples of pasteurised and sterilised milk are taken at regular intervals for submission to the Public Health Laboratory Service for the prescribed tests, and during the year samples as under were taken with the results set out : —
| Phosphatase | Methylene Blue | |||
|---|---|---|---|---|
| Satisfactory | Failed | Satisfactory | Failed | |
| Pasteurised | 20 | — | 20 | — |
| Turbidity | ||||
| Satisfactory | Failed | |||
| Sterilised | 19 | — | ||
Monthly returns of the samples taken, and of the results of the
^animations sent to the Milk Division of the Ministry of Agriculture,
'sheries and Food were discontinued in September at the Ministry's
request.
Ice-Cream.
Sixty-six samples of ice-cream were taken during the year, each
sample being submitted to the methylene blue test.
The samples were, as a result of the test, placed in the following grades :—
| The samples were, as a result of the test, placed in the following grades :— | |
| Provisional Grade 1 | 26 |
| „ „ 2 | 11 |
| „ „ 3 | 17 |
| „ „ 4 | 12 |
| 66 | |