Mycotoxin Contamination in Fish Feed

A recent article highlights an overview of the most prevalent mycotoxins in fish feed, their induced toxicity, and their impact on fish health.  The outcomes of mycotoxin contamination in fish feeds are not different from other animal species intended for human consumption, and they are directly associated with production losses, particularly decreased weight gain and feed conversion, impaired immune system and reproductive performance, and increased fish mortality. Fish may also carry mycotoxin residues along the food chain, thus compromising human health. Hence, it is important to ensure the control of mycotoxin contamination in fish feeds, especially during the production and storage.


“The presence of mycotoxins in fish feeds cannot be ignored, as evidenced by the sight of numerous studies, field outbreak reports, and pathologies associated with mycotoxins, primarily because toxic effects and safety levels of mycotoxins in various species of fish are only known on the surface.”


Immunity biomarkers, including haematological profiles and innate and adaptive immune responses, were extensively studied in fish to demonstrate their immune responses against toxicity induced by different types of mycotoxins. Almost all mycotoxins supplemented in fish diets in experimental models induced immunotoxicity.


Because the toxic effect of mycotoxins may be dependent on the type and quantity of mycotoxin content in the feed, but also on the duration of exposure, animal species, sex, and age, it is necessary to keep a standard to perform the tests on the duration of the experiments.


Randox Food Diagnostics Myco 9 array allows for the detection of up to nine different mycotoxins from one single sample. Myco 9 allows the detection of multiple mycotoxins such as: aflatoxin B1/B2, aflatoxinG1/G2, paxilline, T2 Toxin, ochratoxin A, fumonisins, zearalenone, diacetoxyscirpenol and deoxynivalenol. Validated matrices include cereals and mixed feed, wheat, rye, oats, barley, sugar beet, soya, corn, and oil seeds. Validation reports available on request.


Randox Food Diagnostics also offer an Ergot Alkaloids ELISA in line with new Commission Regulation (EU) 2021/1399. Detecting the lowest maximum levels of the 12 regulated ergot alkaloids applicable from January 2022, for cereal-based feed, wheat, rye, oats, barley and spelt and their milling products.


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