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Table 2 Analyses of ZEN (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 <10 10–100 100–500 500–2000 >2000
Feed ingredients
Corn 2013 74 91.9 236.7 236.2 708.2 6 2 65 1 0
2014 55 96.4 223.5 215.8 833.9 2 1 51 1 0
2015 91 99 279.1 257.1 1442.5 1 5 77 8 0
Wheat 2013 11 91 110.5 133.3 152.1 1 3 7 0 0
2014 8 87.5 128.56 146.075 161.8 1 0 7 0 0
2015 5 100 127.9 135.5 156.3 0 1 4 0 0
Domestic DDGS 2013 6 100 388.5 381.1 480.8 0 0 6 0 0
2014 11 100 290.9 332.05 371.5 0 0 11 0 0
2015 7 100 416.4 420.9 529.6 0 0 5 2 0
Bran 2013 27 100 139.8 126.7 329.0 0 4 23 0 0
2014 10 100 166 161.81 246.9 0 1 9 0 0
2015 18 94.4 150.7 144.6 293.6 1 3 14 0 0
Wheat shorts and red dog 2013 7 100 219.3 225.0 280.3 0 0 7 0 0
2014 3 100 209.4 265.6 276.0 0 1 2 0 0
2015 10 100 199.0 213.4 275.7 0 0 10 0 0
Imported DDGS 2013 7 85.7 273.7 301.8 444.6 1 0 6 0 0
2014 17 94.1 313.4 323.2 419.0 1 0 16 0 0
2015 13 100 363.7 349.8 510.3 0 0 12 1 0
Corn germ meal 2013 6 83.3 342.8 371.7 581.1 1 0 4 1 0
2014 9 77.8 278.1 317.6 582.1 2 0 6 1 0
2015 19 89.5 630.2 630.3 1518.2 2 0 8 9 0
Soybean meal 2013 13 100 206.6 224.2 325.7 0 0 13 0 0
2014 3 66.7 149.8 215.8 233.6 1 0 2 0 0
2015 13 100 178.6 194.5 332.5 0 2 11 0 0
Total - 443 - - - - - - - - -
Complete feeds
Pig complete feed (powder) 2013 10 90 214.7 225.9 455.8 1 2 7 0 0
2014 2 100 253.0 253.0 287.1 0 0 2 0 0
2015 13 100 348.6 295.5 835.4 0 0 11 2 0
Pig complete feed (pellet) 2013 19 84.2 232.5 253.3 435.8 3 0 16 0 0
2014 33 66.7 197.6 214.5 862.4 11 1 19 2 0
2015 38 94.7 375.0 283.2 1296.5 2 0 27 9 0
Duck complete feed 2013 - - - - - - - - - -
2014 1 - - - - - - - - -
2015 6 100 307.0 303.8 357.9 0 0 6 0 0
Cattle complete feed 2013 - - - - - - - - - -
2014 - - - - - - - - - -
2015 6 - 0 0 0 0 0 0 0 0
Total - 127 - - - - - - - - -
  1. aPositive samples are defined as those with zearalenone ≥ 10 μg/kg (LOD)