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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)