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 tables summarise the results of bacteriological examinations of pasteurised, sterilised and untreated milk samples during the year :-
Untreated Milk | Metdylene Blue Test | |||
No. Samples Taken | Not Satisfied | Satisfied | ||
18 | 1 | 17 |
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 | ||||||||
---|---|---|---|---|---|---|---|---|
Methylene Blue Test | Phosphatase Test | |||||||
No. Samples Taken 95 | Not Satisfied 2 | Satisfied 93 | Not Satisfied | Satisfied 95 | ||||
No. Samples Taken 69 | ||||||||
Not Satisfied | Satisfied 69 | |||||||
No. Samples Taken 7 | Not Satisfied | Satisfied 7 | Not Satisfied | Satisfied 7 |
Bacteriological Examination of Milk Bottle Rinses
Bottle Rinse Samples 19
Satisfactory 19
Unsatisfactory
BACTERIOLOGICAL EXAMINATION OF CREAM
Six samples of fresh cream were examined and gave satisfactory results.
BACTERIOLOGICAL EXAMINATION OF ICE CREAM
96 samples were taken, the results being as overleaf:-