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
Croydon 1945
[Report of the Medical Officer of Health for Croydon]
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125
Under the Regulations, Pasteurised Milk must not contain
more than 100,000 bacteria per millilitre. .
Heat Treated Milk.
| Present. | Absent. | Present. | Absent. | Present. | Absent. | Exceeding a trace. | Not exceeding a trace. | Not satisfied. | Satisfied. | Not satisfied. | Satisfied. | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tubercle bacillus | - | 61 | - | - | - | - | - | - | - | - | - | - |
| Blood | - | - | - | 61 | - | - | - | - | - | - | - | - |
| Pus | - | - | - | - | - | 61 | - | - | - | - | - | - |
| Detritus | - | - | - | - | - | - | - | 61 | - | - | - | - |
| Methylene Blue Test | - | - | - | - | - | - | - | - | 6 | 55 | - | - |
| Phosphatase Test | - | - | - | - | - | - | - | - | - | - | 2 | 59 |
| Totals | - | 61 | - | 61 | - | 61 | - | 61 | 6 | 55 | 2 | 59 |
ORDINARY MILK.
During the year 70 samples of ordinary milk were procured
and submitted to examination for tuberculosis and bacterial content.
These samples were taken as follows:—
Samples taken at dairymen's premises in the Borough 11
Samples taken from local dairymen or milk sellers on
their rounds in different parts of the Borough 20
Samples taken in course of delivery to local Institutions 4
70
The following table summarises the results of the bacteriological
examination of Ordinary Milk samples, taken from 1st
January—31st December, 1945 :—