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
Coulsdon and Purley 1946
[Report of the Medical Officer of Health for Coulsdon]
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77 samples were submitted for bacteriological examination with the
results set out in the following tables:—
Tests required by Milk (Special Designations) Regulations 1936 to 1946, and the Heat-Treated Milk (Prescribed Tests Order, 1944.
| Number of Samples. | Methylene Blue. | Phosphatase. | ||
|---|---|---|---|---|
| Satisfactory. | Unsatisfactory. | Satisfactory. | Unsatisfactory. | |
| Pasteurised: 19 | 17 | 2 | 18 | 1 |
| Heat-Treated : 40 | 38 | 2 | 39 | 1 |
Examination of Raw Milk.
| Number of Samples. | Methylene Blue. | Coliform Bacillus. | ||
|---|---|---|---|---|
| Satisfactory. | Unsatisfactory. | Satisfactory. | Unsatisfactory. | |
| 14 | 13 | 1 | 9 | 5 |
Biological Examination.
| Number of Samples. | Tubercle Bacilli positive. | Tubercle Bacilli negative. |
|---|---|---|
| 4 | - | 4 |
The results of the biological examinations were entirely satisfactory,
as also, in almost every case, were the Pasteurised and Heat-treated samples.
The condition of the raw milk was less satisfactory and steps were taken
to improve conditions following each bad sample.
Milk (Special Designations) Regulations, 1936/46.
Licences to sell milk under the above Regulations were issued as
follows:—
Dealers:
| Tuberculin Tested | 5 |
| Pasteurised | 10 |
| Supplementary: | |
| Tuberculin Tested | 3 |
| Pasteurised | 4 |