Occurrence of Co-Contamination and Interaction of Multi-Mycotoxins in Dairy Cow Feed in China

文献类型： 外文期刊

第一作者： Zhu, Zuoyin

作者： Zhu, Zuoyin;Cheng, Haisheng;Wang, Jie;Zhou, Xinli;Zhu, Zuoyin;Cheng, Haisheng;Wang, Jie;Wang, Jianhua;Yang, Junhua;Ma, Junmei;Wang, Hongyang

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关键词： feed; mycotoxin; co-contamination; correlation; interaction

期刊名称：TOXINS （ 影响因子：4.0； 五年影响因子：4.5 ）

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年卷期： 2025 年 17 卷 3 期

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收录情况： SCI

摘要： Co-contamination of multiple mycotoxins in feed has become one of the most important issues in the world. In this study, the characteristics and interactions of co-contamination among 15 mycotoxins were explored in dairy cow feed, including total mixed ration (TMR), silage, maize, and hay feed. The results showed that four dairy cow feeds were constantly contaminated with mycotoxins, including zearalenone (ZEN), fumonisins (FBs), deoxynivalenol (DON), ochratoxin A (OTA), T-2 toxin (T-2), and aflatoxins (AFs). The contamination level of each mycotoxin was low, but the probability of co-contamination by three or more mycotoxins in one sample was very high. Between DON and aflatoxin B2 (AFB2), between aflatoxin M1 (AFM1) and OTA, between FB2 and aflatoxin B1 (AFB1), between 15-acetyl-deoxynivalenol (15-ADON) and ZEN, and between fumonisin B1 (FB1) and fumonisin B3 (FB3), and between aflatoxin M2 (AFM2) and aflatoxin G2 (AFG2), there were significant and strong correlations. Among the four typical feed samples, the combinations DON + ZEN, DON + FB1, FB1 + ZEN, OTA + ZEN, DON + 3-acetyl-deoxynivalenol (3-ADON), 3-ADON + ZEN, T-2 + ZEN, fumonisin B2 (FB2) + ZEN, and DON + FB3 had higher interaction rates than the other combinations (>= 43.75%). Our study not only reveals that co-contamination with multiple mycotoxins is relatively common in dairy cow feed but also highlights the significant correlations between various mycotoxins and assesses the likelihood of their interactions. These findings are crucial for ensuring feed safety and safeguarding animal health.

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