Mycotoxin occurrence

Every type of grain can be affected by mycotoxins. The toxins can accumulate in maturing corn, wheat, soybeans, sorghum, peanuts and other food and feed crops in the field, during transportation or improper storage.

The occurrence of mycotoxins in food and animal feed often shows a geographic pattern, as for example Aspergillus species find optimal conditions in tropical and subtropical regions, whereas Fusarium and Penicillium species are also adapted to the moderate climate of North America and Europe. However, worldwide trade with food and feed commodities result in a worldwide distribution of contaminated material.


Geographic pattern of mycotoxin occurrence

world


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Mycotoxin Survey 2010

In the period from January 2010 until December 2010, a total of 3 349 samples were analyzed and in total 11 195 analyses were carried out for the most important mycotoxins in terms of agriculture and animal production – aflatoxins (Afla), zearalenone (ZON), deoxynivalenol (DON), fumonisins (FUM) and ochratoxin A (OTA).



Global occurrence of mycotoxins 2010

Figure 1

From all survey samples 28 %, 42 %, 58 %, 55 % and 26 % tested positive for contamination with Afla, ZON, DON, FUM and OTA, respectively (see Figure above). If compared with data from the previous year, an increase on the occurrence of the fusariotoxins ZON and DON is observed. In addition to higher occurrence level also incredible high maximum levels for the toxins ZON, DON and FUM were found this year (see Table below) in comparison to last year. Average contamination levels of all samples tested for ZON and DON increased also to 108 and 722 ppb (year 2009: 77 ppb and 418 ppb), respectively.

Overview of the survey

Global results 2010 Afla ZON DON FUM OTA
Number of tests 1950 2633 2947 2107 1558
Percent Positive (%) 28 42 58 55 26
Average of all samples tested (µg/kg) 12 108 722 1012 2
Maximum (µg/kg) 4687 16712 49000 53700 331
Commodity found Corn CGM Wheat Corn Wheat
Country of origin China China Austria Brazil Austria


>>More details on the results of the Mycotoxin Survey 2010

Mycotoxin Survey 2009

From January 2009 until December 2009, a total of 9030 analyses were carried out for the most important mycotoxins in terms of agriculture and animal production – aflatoxins (Afla), zearalenone (ZON), deoxynivalenol (DON), fumonisins (FUM) and ochratoxin A (OTA). From all survey samples 33%, 35%, 50%, 56% and 28% tested positive for contamination with Afla, ZON, DON, FUM and OTA, respectively (see Figure and Table below). If compared with data from the previous year (2007/2008), an increase on the occurrence of Afla and OTA can be observed.



Global occurrence of mycotoxins 2009

Figure 1

Overview of the survey

Global results 2009

Afla ZON DON FUM OTA
Number of tests 1735 2342 2432 1653 1060
Percent Positive (%) 33 35 50 56 28
Average of all samples tested (µg/kg) 82 221 831 2270 15
Maximum (µg/kg) 6105 8952 29300 32510 1582
Commodity found Corn Barley Barley Corn gluten meal Finished feed
Country of origin Vietnam USA USA Malaysia Pakistan




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