MYCOTOXINS ▶▶▶
finished feed samples, DON was also the most present (in 82% of the samples). The regional risk level for North America was 73% – severe.
Middle East In the second semester of 2018, the Middle East had to in- crease the risk level from severe to extreme. On average over 2018, this region had a risk level of 60%, which means severe. All of the corn samples from the Middle East were contami- nated with FUM. This is also reflected an extreme risk for all animal species. ZEN was found in 92% of the finished feed samples, with a maximum ppb found of 282.
Africa
Samples in Africa were sourced from South Africa, Zambia, Uganda and Kenya. DON prevalence was found in 84% of the corn samples, coming from Africa, followed by FUM (77% contamination). In the cereal samples, ZEN and FUM were mostly found, both showing a 86% contamination level.
Asia
96% of corn samples in Asia tested positive for FUM with maximum concentrations of 47,485 ppb. Aflatoxin remains a
topic in Asia with 44% of prevalence in finished feed. China and Taiwan show an extreme risk throughout the semesters. Interestingly, risk changed to extreme in South and South East Asia.
Conclusion The presence of mycotoxins in feed are associated with lower performance, health and reproductive issues and higher medical costs for the farmer. It also brings extra costs for feed companies and associated businesses. These include for ex- ample the extra costs associated with testing at the level of grain elevators, handlers, and processors; as well as crop in- surance costs for excessively high mycotoxin levels in certain countries. Despite the fact that solutions are there to prevent mycotoxin formation or counteract the effects when animal digest the toxins, the prevalence of mycotoxins in all regions of the world remains a problem. This was also confirmed by the analysis of the 18,424 samples in this survey. Constant moni- toring of mycotoxins is important and an effective mycotoxin risk management programme is essential in order to protect animals from the negative impacts of mycotoxins on animals’ health and performance.
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▶ ALL ABOUT FEED | Volume 27, No. 3, 2019 25
PHOTO: BERT JANSEN
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