Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for Croydon]
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The following licences, have been granted to dealers distributing milk from premises in croydon during the year:-
Licences to use the designation "Pasteurised" - | |
64 | |
Licences to use the designation "Sterilised" - | |
21 | |
Licences to use the designation "Untreated" - | |
2 | |
Licences to use the Designation "Ultra Heat Treated" - | |
29 |
Frequent inspection of these licenced premises is carried out during
the year to see that the conditions of the licences are observed.
Bacteriological Examinations of Milk
During the year the following samples of milk were examined:—
Pasteurised Milk | 160 |
Sterilised Milk | 30 |
Untreated Milk | 9 |
Ultra Heat treated | 2 |
The following table summarises the results of the bacteriological examinations of Pasteurised, Sterilised and Untreated milk samples during the year.—
Untreated Milk | Methyline Blue Test | |||
---|---|---|---|---|
No. Samples Taken | Not Satisfied | Satisfied | ||
9 | — | 9 |
The above samples of raw milk were also examined for the presence of brucella abortus and antibiotics. In all cases the results of the tests were negative.
Pasteurised Milk | |||||||
---|---|---|---|---|---|---|---|
Methyline Blue Test | Phosphatase Test | ||||||
No. Samples Taken | Not Satisfied | Satisfied | Not Satisfied | Satisfied | |||
160 | 2 | 158 | — | 160 | |||
No. Samples Taken | Not Satisfied | Satisfied | |||||
30 | — | 30 |