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<p>The objective of this study was to evaluate whether ensiling reduces tropane alkaloid concentrations in whole-plant maize contaminated with <i>Datura stramonium</i>, a concern for animal feed safety. Whole-plant maize silages were prepared with 10% dried and ground <i>D. stramonium</i> and analysed at 0, 30 and 90 days using liquid chromatography-tandem mass spectrometry. Atropine levels decreased by 21% over 90 days, while scopolamine increased by 17%, resulting in a non-significant overall reduction of total alkaloids. These results indicate that ensiling does not effectively detoxify whole-plant maize contaminated with <i>D. stramonium</i>. Consequently, contaminated silage may pose a risk to cattle health, underscoring the need for preventive measures to limit <i>D. stramonium</i> contamination in feed crops.</p>

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Ensiling fails to detoxify whole-plant maize contaminated with Datura stramonium plants

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年5月21日

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  • Martin Bachmann,
  • Bettina Wagner,
  • Anja These,
  • Janine Kowalczyk,
  • Robert Pieper

摘要

The objective of this study was to evaluate whether ensiling reduces tropane alkaloid concentrations in whole-plant maize contaminated with Datura stramonium, a concern for animal feed safety. Whole-plant maize silages were prepared with 10% dried and ground D. stramonium and analysed at 0, 30 and 90 days using liquid chromatography-tandem mass spectrometry. Atropine levels decreased by 21% over 90 days, while scopolamine increased by 17%, resulting in a non-significant overall reduction of total alkaloids. These results indicate that ensiling does not effectively detoxify whole-plant maize contaminated with D. stramonium. Consequently, contaminated silage may pose a risk to cattle health, underscoring the need for preventive measures to limit D. stramonium contamination in feed crops.