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Table 1 Analyses of AFB1(μg/kg) in feed ingredients and complete feeds

From: Aflatoxin B1, zearalenone and deoxynivalenol in feed ingredients and complete feed from different Province in China

Item

Growing years

Numbers of samples

Positive samples

Numbers of samples in the range, μg/kg

%a

Mean

Median

Maximum

<0.5

0.5–10

10–50

50–500

>500

Feed ingredients

Corn

2013

74

67.6

3.5

1.4

15.9

24

44

6

0

0

2014

55

94.6

4.3

3.7

11.1

3

50

2

0

0

2015

91

82.4

3.9

4.4

25.5

16

73

2

0

0

Wheat

2013

11

27.2

0.4

0

1.8

8

3

0

0

0

2014

8

62.5

1.1

1.0

4.0

3

5

0

0

0

2015

5

80.0

1.5

1.3

3.0

1

4

0

0

0

Domestic DDGS

2013

6

100

10.5

9.7

13.1

0

4

2

0

0

2014

11

100

10.0

10.2

13.6

0

3

8

0

0

2015

7

100

11.0

10.9

12.7

0

1

6

0

0

Bran

2013

27

59.3

3.1

1.3

10.9

11

14

2

0

0

2014

10

90

2.4

2.3

4.5

1

9

0

0

0

2015

18

83.3

2.1

2.4

3.8

3

15

0

0

0

Wheat shorts and red dog

2013

7

100

6.0

8.1

9.3

0

7

0

0

0

2014

3

100

4.3

1.5

10.5

0

2

1

0

0

2015

10

80

5.0

6.2

8.0

2

8

0

0

0

Imported DDGS

2013

7

100

9.0

9.1

13.7

0

4

3

0

0

2014

17

100

10.5

10.4

15.2

0

7

10

0

0

2015

13

61.5

7.0

10.0

13.8

5

2

6

0

0

Corn germ meal

2013

6

83.3

4.2

1.8

10.2

1

3

2

0

0

2014

9

88.9

9.3

10.6

13.5

1

2

6

0

0

2015

19

68.4

7.5

10.2

14.1

6

3

10

0

0

Soybean meal

2013

13

92.3

4.5

3.1

9.8

1

12

0

0

0

2014

3

100

6.4

6.4

7.1

0

3

0

0

0

2015

13

84.6

2.6

2.2

6.2

2

11

0

0

0

Total

-

443

-

-

-

-

-

-

-

-

-

Complete feeds

Pig complete feed (powder)

2013

10

90

6.4

7.9

5.4

1

8

1

0

0

2014

2

100

6.3

7.9

5.2

0

2

0

0

0

2015

13

100

19.9

8.2

9.1

0

13

0

0

0

Pig complete feed (pellet)

2013

19

68.4

4.6

5.2

11.1

6

13

0

0

0

2014

33

100

8.0

7.3

18.1

0

26

7

0

0

2015

38

63.2

3.4

2.5

9.6

14

23

1

0

0

Duck complete feed

2013

-

-

-

-

-

-

-

-

-

-

2014

-

-

-

-

-

-

-

-

-

-

2015

6

100

6.44

3.97

8.84

0

6

0

0

0

Cattle complete feed

2013

-

-

-

-

-

-

-

-

-

-

2014

-

-

-

-

-

-

-

-

-

-

2015

6

100

4.5

3.9

8.3

0

6

0

0

0

Total

-

127

-

-

-

-

-

-

-

-

-

  1. aPositive samples are defined as those with aflatxoin B1 ≥ 0.5 μg/kg (LOD)