Failures per tests (%)
|
Comments
|
Mercury
|
3/302 (1.0%)
|
|
Salmonella
|
1/218 (0.5%)
|
|
V. cholerae
|
1/644 (0.2%)
|
Includes 1/97 (1.0%) in oysters
|
E. coli
|
15/623 (2.4%)
|
Includes 10/207 (4.8%) in oysters
|
L. monocytogenes
|
2/238 (0.8%)
|
|
Standard plate count
|
21/605 (3.5%)
|
Includes shellfish and cephalopods
|
* No failures were recorded for imported molluscs tested for V. parahaemolyticus, Staphylococcal enterotoxin, algal biotoxins, cadmium, inorganic arsenic, total arsenic, organophosphates, organochlorines or PCBs.
In the period 1990–2003, FSANZ coordinated four food recalls for oysters (hepatitis A, L. monocytogenes, domoic acid and excess lead) and four for mussels (E. coli, can defects and two for L. monocytogenes).
Factors affecting the presence of these and other potential hazards along the production and processing supply chain for molluscan shellfish have been considered at the point of harvest, during processing and at subsequent points in the distribution chain.
The hazards are broadly summarised in Table 1.2 and discussed at greater length for the main product groups (oysters, scallops, other bivalves and abalone) below.
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