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
Surbiton 1961
[Report of the Medical Officer of Health for Surbiton]
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MILK SUPPLY (Cont.)
the special designations were granted; subject to the provisions
of these regulations, until the expiration of the period of five
years ending with the 31st day of December, 1965
Pasteurised 32
Sterilised 18
Tuberculin Tested 24
2, Registrations. - At the end of the year there were
forty-four entries on the register as follows:-
Distributors of milk (premises in
the Borough) 32
Distributors of milk with premises
outside the Borough but retailing
in the Borough 9
Premises registered (used as Dairies) 3
3. Milk Sampling. - Eighty-seven samples of milk were taken during the year and submitted to the following tests :-
| T.B.Biological Test | Turbidity Test | Phosphatase Test | Methylene Blue Test | |
|---|---|---|---|---|
| Tuberculin Tested (Raw milk) | 15 | - | - | 2 |
| T.T. Pasteurised | - | - | 19 | 19 |
| Pasteurised | - | - | 41 | 35 |
| Sterilised | - | 10 | - | - |
All samples conformed to the required standard.
The phosphatase test indicates that pasteurisation has been
properly carried out: the methylene blue test is used to determine
cleanliness and keeping quality; the turbidity test is a check on
sterilisation and the T.B. test is for the purpose of detecting
tuborcle bacilli. Twelve of the T.T.(Raw Milk) samples for T.B.
test were taken at farms in the Borough.
4. Milk & Dairies (General) Regulations, 1959.
A complaint was made by a local resident concerning the dirty
condition of a milk bottle delivered to her house. After
considering the report of the Public Analyst and the observations
of the suppliers the Council decided to send the distributor a
warning letter.
39.