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Table 2 Distribution of aflatoxin M1 levels in pigs from five provinces in Vietnam

From: An investigation into aflatoxin M 1 in slaughtered fattening pigs and awareness of aflatoxins in Vietnam

Province (No.)

Samples above LOD (% with 95% CI)a

Mean (μg/kg)a

Median (μg/kg)a

Range (μg/kg)a

Hanoi (385)

292 (75.84, 95% CI 71.25–80.04)

0.41

0.19

<LOD - 8.05

Son La (383)

316 (82.51, 95% CI 78.32–86.18)

1.23

0.32

<LOD - 7.35

Nghe An (375)

245 (65.33, 95% CI 60.28–70.15)

0.24

0.18

<LOD - 1.42

Dak Lak (384)

167 (43.49, 95% CI 38.47–48.61)

0.50

0.18

<LOD - 13.66

An Giang (393)

15 (3.82, 95% CI 2.15–6.22)

0.19

0.17

<LOD - 0.30

Total (1920)

1035 (53.90, 95% CI 51.64–56.15)

0.63

0.20

<LOD - 13.66

  1. aMean and median were calculated from the samples above limit of detection (LOD ≥ 0.15 μg/kg)