Table 2 Analyses of ZEN (μg/kg) in feed ingredients and complete feeds
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 | - | - | - | - | - | - | - | - | - |