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 Southwark, Borough of]
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BACTERIOLOGICAL EXAMINATION OF FROZEN SHELLFISH, 1969
Country of origin | Type | No. of Samples taken | V anable con ntr at 3 7°C | ||
---|---|---|---|---|---|
Less than 100,000 | 100,000-1,000,000 | More than 1,000,000 | |||
Australia | Raw prawns | 10 | |||
Cooked prawns | 4 | 4 | |||
Brazil | Raw prawns | 4 | |||
Canada | Cooked prawns | 63 | 50 | 10 | 3 |
Crab meat | 4 | 4 | |||
Lobster meat | 2 | 2 | |||
Canned lobster | 7 | ||||
Chile | Cooked prawns | 36 | 36 | ||
China | Raw prawns | 44 | |||
Cooked prawns | 75 | 66 | 7 | 2 | |
Crab meat | 2 | 2 | |||
Lobster meat | 2 | ||||
Cuba | Raw prawns | 76 | |||
Cyprus | Cooked prawns | 2 | 2 | ||
Formosa | Cooked prawns Lobster meat | 88 1 | 80 1 | 8 | |
Hong Kong | Raw prawns | 57 | |||
Cooked prawns | 31 | 22 | 8 | 1 | |
Crab meat | 2 | 2 | |||
Lobster meat | 2 | 1 | 1 | ||
Indonesia | Raw prawns | 13 | |||
Lobster meat | 2 | ||||
Japan | Cooked prawns | 113 | 110 | 3 | |
Crab meat | 32 | 27 | 5 | ||
Kenya | Raw prawns | 1 | |||
Korea | Raw prawns | 2 | |||
Malaysia | Raw prawns | 120 | |||
Cooked prawns | 13 | 6 | 5 | 2 | |
New Zealand | Raw prawns | 4 | |||
Pakistan | Raw prawns | 287 | Salmonella organisms found in 5 samples | ||
Persia | Raw prawns | 1 | |||
Senegal | Raw prawns | 3 | |||
South Africa | Cooked prawjis | 3 | 3 | ||
Thailand | Raw prawns | 12 | |||
Trinidad | Raw prawns | 7 | |||
U.S.A. | Cooked prawns | 38 | 38 | ||
Crab meat | 4 | 4 | |||
Totals | 1,167 | 455 | 52 | 8 |
Consignments of cooked Shellfish showing viable counts in excess of 1,000,000 were detained.
Where a consignment showed a viable count of between 100,000 and 1,000,00(J, the importer was
warned that the shellfish should be used immediately after defrosting.
A sample taken from one consignment of Pakistani Raw Prawns was found to contain
Salmonella paratyphi B; 131 Cartons were destroyed and the remainder re-exported. Samples taken
from other consignments were found to contain Salmonella augustenborg (1), Salmonella v rchow (1)
and Salmonella butantan (2). All these prawns were re-exported.
94