TABLE 2.
E. coli, FRNA bacteriophage, and NLV data for market-ready oysters obtained from each site during the study period
Site |
E. coli concn (E. coli MPN/100 g)
|
FRNA bacteriophage concn (PFU/100 g)
|
% Positive for NLVs (n)a | ||||
---|---|---|---|---|---|---|---|
Minimum | Maximum | Geometric mean (n) | Minimum | Maximum | Geometric mean (n) | ||
1 | <20 | <20 | 0.0 (13) | <30 | <30 | 0.0 (13) | 0 (7) |
2 | <20 | 110 | 0.4 (39) | <30 | 3,300 | 11.3 (39) | 0 (15) |
3 | <20 | 50 | 0.5 (24) | <30 | 4,500 | 41.4 (24) | 0 (13) |
4 | <20 | 220 | 0.9 (58) | <30 | 39,300 | 125.9 (58) | 37 (35) |
Seven-gram samples were used.