Detection and Quantification of Total and Pathogenic Vibrio parahaemolyticus in Anadara subcrenata in the Zhoushan Archipelago
Table 4
Prevalence of contamination of total Vibrio parahaemolyticus in Anadara subcrenata in different markets.
Markets
Number of samples
No. of positive samples
Positive rate (%)
Percentage of samples with total V. parahaemolyticus (MPN/g)
Densities of tlh positive samples (MPN/g)
None detected (%)
<10 (%)
10–102 (%)
102–103 (%)
>103 (%)
Median
Min–max
Aqua farm
168
156
92.85
7.14
21.43
30.95
17.26
23.21
53.00
0.36–2400
Retail market
148
109
73.64
26.35
23.65
30.41
8.78
10.81
24.00
0.30–2400
Total
316
265
83.86
16.14
22.47
30.70
13.29
17.41
42.00#
0.30–2400
The positive rate of two markets was in significant difference ().#The contamination level of total V. parahaemolyticus of four seasons was in significant difference ().
