Table 4
Microbial contaminations (aerobic bacteria, coliform, Escherichia coli, and Vibrio cholerae) of the fishery products and the environmental samples collected from the fishery auction market A and B in fall (September)

Samples

Time

Bacteria

Aerobic bacteria (CFU/g or CFU/mL or CFU/100 cm2)

Coliform (CFU/g or CFU/mL or CFU/100 cm2)

E. coli (CFU/g or CFU/mL or CFU/100 cm2)

V. cholerae (MPN/100 g or MPN/100 mL or MPN/100 cm2)

V. cholerae O1

V. cholerae non-O1

Market A

Market B

Market A

Market B

Market A

Market B

Market A

Market B

Market A

Market B

Fishery products

 Snail

Before auction

2.6 × 102

−

3.2 × 10

–

< 15

–

< 20

–

5400

–

During auction

8.4 × 103

–

5.9 × 102

–

< 15

–

< 20

–

130

–

After auction

2.6 × 10

–

< 15

–

< 15

–

< 20

–

20

–

 Hairtail

Before auction

–

6.3 × 104

–

1.1 × 103

–

< 15

–

< 20

–

< 20

After auction

–

1.6 × 105

–

1.9 × 104

–

< 15

–

< 20

–

200

 Croaker

Before auction

–

1.9 × 105

–

1.2 × 103

–

< 15

–

< 20

–

40

After auction

–

2.7 × 105

–

5.9 × 102

–

< 15

–

< 20

–

110

 Flatfish

Before auction

–

2.3 × 104

–

3.7 × 102

–

< 15

–

< 20

–

< 20

After auction

–

5.8 × 104

–

2.0 × 103

–

< 15

–

< 20

–

20

 Pilchard

Before auction

–

2.9 × 104

–

5.2 × 104

–

< 15

–

< 20

–

45

After auction

–

9.9 × 104

–

5.3 × 102

–

< 15

–

< 20

–

< 20

Environmental samples

 Water

1.3 × 103

9.8 × 102

1.1 × 103

6.0 × 102

< 15

< 15

< 20

< 20

< 20

20

2.9 × 103

1.6 × 103

1.1 × 10

6.9 × 102

< 15

< 15

< 20

< 20

< 20

< 20

 Ice

5.5 × 104

1.1 × 106

3.9 × 10

3.3 × 102

< 15

< 15

< 20

< 20

< 20

< 20

 Wooden box

1.8 × 107

3.2 × 107

5.4 × 105

< 15

< 15

< 15

< 20

< 20

< 20

< 20

5.8 × 107

5.5 × 106

3.6 × 105

9.6 × 103

< 15

< 15

< 20

< 20

< 20

< 20

 Plastic box

5.2 × 106

1.3 × 108

2.0 × 104

3.4 × 104

< 15

< 15

< 20

< 20

< 20

20

9.6 × 106

6.0 × 107

8.2 × 103

3.4 × 103

< 15

< 15

< 20

< 20

< 20

< 20