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MYCOTOXINS ▶▶▶


18,424 finished feed and raw commodity sam- ples were tested.


World Mycotoxin Report: Impact 2019


Fumonisins are still abundant at high concentrations in raw commodities in recent years, according to tests done by animal nutrition company Biomin. Here we show the latest insights from 2018.


BY EMMY KOELEMAN T


he results from the annual Biomin World Mycotoxin Survey over 2018 includes more than 81,936 analy- ses conducted on 18,424 finished feed and raw commodity samples. These were sourced from


79 countries from January to December 2018. This is again an increase in the number of tests done. In 2017, Biomin tested samples from 72 countries with over 73,000 analyses. These large datasets give a reliable and sound overview of the my- cotoxin risks for all regions around the world, which help ani- mal nutritionists, farmers and commodity traders in making better strategic decisions, improve livestock performance and to save money. Here we discuss some of the highlights from the 2018 report.


Most corn affected by fumonisins The analysis looks at the major mycotoxins, including Aflta- toxins (Afla), Zearalenone (ZEN), trichothecene mycotoxins (T-2), Fumonisins (FUM) and Ochratoxin A (OTA). “In recent


years, fumonisins proved to be the most prevalent mycotox- ins globally among the major agriculturally relevant mycotox- ins, which also include aflatoxins, zearalenone, deoxynivale- nol, T-2 and ochratoxin A,” observed Alexandro Marchioro, Product Manager for Mycotoxin Risk Management at Biomin. In 2018, 68% of samples analysed tested positive for fumoni- sins; corn (maize) in particular has been subjected to effects from these mycotoxins. Fumonisins, which are produced by Fusarium proliferatum and F. verticilloides, predominantly con- taminate corn and corn by-products. These moulds are also responsible for producing the second most commonly found mycotoxin, deoxynivalenol, also known as vomitoxin.


Multiple and emerging mycotoxins The shift in the composition of the mycotoxin threat is notice- able when comparing data sets over the years. Mycotoxins seldom come alone and in practice, a great number of sam- ples are being contaminated with multiple mycotoxins, as compound feed contains a mixture of several raw materials, each of them with their own mycotoxin contamination pat- tern. Multiple mycotoxin contamination of feed presents ad- ditional problems, as certain combinations of mycotoxins are known to have synergistic effects that aggravate negative consequences for animals. For 2018, a full 70% of samples contained two or more mycotoxins. In 2018, also a high prev- alence of the so-called emerging mycotoxins was detected. One of these type of emerging mycotoxins is Moniliformin.


▶ ALL ABOUT FEED | Volume 27, No. 3, 2019 23


PHOTO: RUUD PLOEG


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