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 Hillingdon]
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Environmental Health
83
Special investigations
Description of Specimen | Surface Plate count per g. 35°C. | Coliform Present | Salmonella | |
---|---|---|---|---|
Non-faecal | Faecal | |||
Australian Chuck Steak | 25,000 | Not found in .01 g. | Not found | Not found |
Australian Pork | 400,000 | Present in 0.1 g. | Nil | Not found |
English Pork | 400,000 | Present in 0.1 g. | Present in 0.1 g. | Not found |
Argentine Top Side | 15,000 | Present in 0.1 g. | Not Present | Not found |
Argentine Chuck Steak | 8,500 | Present in 0.01 g. | Not Present | Not found |
New Zealand Lamb | 2,500,000 | Present in 0.001 g. | Present in 0.1 g. | Not found |
Argentine Chuck Steak | 100,000 | Not found in 0.1 g. | Not found | Not found |
Argentine Chuck Steak | 45,000 | Present in 0.1 g. | Not found | Not found |
Argentine Chuck Steak | 30,000 | Not found in 0.1 g. | Not found | Not found |
(b) Bean Shoots
In view of the very high plate count obtained from a sample of raw bean shoots taken from a
Chinese Restaurant a series of samples were submitted for examination. Counts ranging from 70,000
to 200,000,000 per gram at 35°C were obtained. Following this beans were supplied to the Laboratory
for growth under controlled conditions and the results of these investigations are still awaited.
(c) Miscellaneous Specimens; Salmonella
To investigate possible sources of Salmonella infection, samples of imported fertilizers, pet foods and faecal specimens from pets kept at a school, were submitted for laboratory examination as follows:—
Specimen | No. taken | Results |
---|---|---|
Faecal specimens from school pets | 3 | Salmonella not found |
Pet foods | 3 | Salmonella not found |
Fertilizers | 2 | Salmonella bousso isolated from Pakistan bone meal |