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
Carshalton 1955
[Report of the Medical Officer of Health for Carshalton]
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Section E—Inspection and Supervision of Food.
Milk Supply
The district being a Specified Area for purposes of the Milk (Special
Designations) (Specified Areas) Order, 1951, all milk sold by retail must
be "designated milk" and all retailers must be licensed to use a special
designation in relation to milk.
Milk Distributors.
The number of registered Milk Distributors is 20. The designated licences issued during the year were as follows :
| Designation | Number of Distributors Holding Licences | No. of Licences in force on 31/12/55 |
|---|---|---|
| Principal Licences— | ||
| Sterilised | 14 | 18 |
| Pasteurised | 5 | 9 |
| Tuberculin Tested | 5 | 9 |
| Supplementary Licences— | ||
| Sterilised | 7 | 12 |
| Pasteurised | 5 | 10 |
| Tuberculin Tested | 5 | 10 |
Bacteriological Examination of Milk.
Two hundred and twenty samples of milk were procured and submitted
for bacteriological examination. Six failed to comply with the prescribed
standard of the Regulations.
Classification of the milk samples and the results of the tests are as follows:
| Designation under which sold | No. of samples | Methylene Blue Test | Phosphatase Test | Turbidity Test | |||
|---|---|---|---|---|---|---|---|
| Satisfactory | Unsatisfactory | Satisfactory | Unsatisfactory | Satisfactory | Unsatisfactory | ||
| Pasteurised | 188 | 184 | 4 | 188 | — | — | — |
| T.T. Pasteurised | 26 | 24 | 2 | 26 | — | — | — |
| Sterilised | 6 | — | — | — | — | 6 | — |
| 220 | 208 | 6 | 214 | — | 6 | — | |
Biological Samples.
Thirteen samples were taken of the milk produced at the three farms
in the district before it was treated in any way. These were submitted to
animal inoculation tests and showed no evidence of tuberculosis.
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