Tidbits, Vomitoxin and Soil Tests, Biofuel Capacity, South American Economies 9/27/26
Tidbits
Vomitoxin (aka Deoxynivalenol or DON) on corn is going to be a problem this year for many farmers. Gibberella is the most common vomitoxin; it has a particularly negative impact on livestock, making DON testing an important defense against the profit & loss statement. Dayton Cargill is checking every load of corn for DON. On wheat, it appears as a pink or reddish mold on the glumes and kernels. On corn, a pink or reddish mold appears on the tip of the ears.
Vomitoxin is stable at high temperatures, which means that basic food processing does not eliminate it from foods such as flour, DDG, bread, noodles, cereal, even popcorn and beer. In fact, the vomitoxin stays with the DDG at three times the concentration it was in the corn. This heat-resistant characteristic of vomitoxin requires farmers, grain mills, grain handlers and suppliers to stay abreast of the latest testing methods and use mycotoxin due diligence.
Regulatory food safety compliance requires vomitoxin analysis. Advisory levels for DON in the United States are set at 1 part per million (ppm) for finished wheat products for human consumption. For animal feed the level is set at less than 5 ppm. Canada has even stricter tolerance levels. Recalls have been made of contaminated animal feed that resulted in business losses of over $20 million.
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