Mycotoxin evaluation is frequent in feed mills for grain sources like corn, wheat, and barley or products like peanuts and cottonseed. However, soybean meal, the most common protein source in feed for all animal species, needs more attention in this critical quality aspect. Several studies have indicated that soybean meal appears to be less susceptible to mycotoxin contamination than most grains. However, significant differences can be observed in contamination with mycotoxins among sources of soybean meal.
Previous literature reports have indicated that Zearalenone (ZEN), Deoxynivalenol (DON), Fumonisins (FUM), Aflatoxins (Afla), Ochratoxins (OTA), and Trichothecenes (T2) can be the main mycotoxins eventually observed in soybean meals. However, several publications suggest some variability per region. That effect should be clarified to determine if contamination relates to the location where samples were collected or the origin of production and manage risks according to these factors.
Global evaluations of samples are necessary since soybean meals have considerable trade worldwide. Relevant differences in nutrient and processing quality have been reported among countries of origin. The data reported here also indicate differences among sources of soybean meal on mycotoxin contamination.
Description of this worldwide mycotoxin survey
The data on mycotoxin levels in soybean meal presented in this article are part of the dsm-firmenich World Mycotoxin Survey. Starting in 2004, it is the longest-running and most comprehensive data set on mycotoxin occurrence and allows studying variations in mycotoxin occurrence worldwide. Dsm-firmenich offers mycotoxin analysis to customers as a service to identify mycotoxin risk in their raw commodities and final feeds. The increasing sample size over the years gives detailed insights into the incidence of the six major mycotoxins in the agricultural commodities used for livestock feed. This information aids in identifying the potential risks posed to livestock animal production per region or in imported feed ingredients.
Most results included in the survey are obtained using methods like ELISA, HPLC, or state-of-the-art LC-MS/MS-based multi-mycotoxin methods. Samples that tested positive for one of the main mycotoxins are also presented as the percentage of contaminated samples. The average and median of positives are calculated in ppb of all positively tested samples. The maximum levels are also described. Such ...
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