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<lom:identifier>
  
<lom:catalog>DOI</lom:catalog>

  
<lom:entry>
  
<lom:langstring xml:lang="x-none">10.3390/toxins15030185</lom:langstring>

  
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<lom:title>
  
<lom:langstring xml:lang="en">Zearalenone and Its Emerging Metabolites Promptly Affect the Rumen Microbiota in Holstein Cows Fed a Forage-Rich Diet</lom:langstring>

  
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<lom:description>
  
<lom:langstring xml:lang="en">The study investigated the short-term effects of a single oral bolus of zearalenone (ZEN) on the rumen microbiota and fermentation patterns in four rumen-cannulated Holstein cows fed a forage diet with daily 2 kg/cow concentrate. During the baseline day, cows received uncontaminated concentrate, followed by ZEN-contaminated concentrate on the second day, and again the uncontaminated concentrate on day three. Free rumen liquid (FRL) and particle-associated rumen liquid (PARL) were collected at different hours post-feeding on all days to analyze the prokaryotic community composition, absolute abundances of bacteria, archaea, protozoa, and anaerobic fungi, as well as short-chain fatty acid (SCFA) profiles. The ZEN reduced the microbial diversity in FRL but not in the PARL fraction. The abundance of protozoa was higher after ZEN exposure in PARL, which may be related to their strong biodegradation capacity that, therefore, promoted protozoal growth. In contrast, α-zearalenol might compromise anaerobic fungi as indicated by reduced abundances in FRL and fairly negative correlations in both fractions. Total SCFA significantly increased in both fractions after ZEN exposure, while the SCFA profile only changed marginally. Concluding, a single ZEN challenge caused changes in the rumen ecosystem soon after intake, including ruminal eukaryotes, that should be the subject of future studies.</lom:langstring>

  
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<lom:language>eng</lom:language>

  
<lom:keyword>
  
<lom:langstring xml:lang="en">Dairy</lom:langstring>

  
</lom:keyword>

  
<lom:keyword>
  
<lom:langstring xml:lang="en">Fusarium</lom:langstring>

  
</lom:keyword>

  
<lom:keyword>
  
<lom:langstring xml:lang="en">Mycotoxin</lom:langstring>

  
</lom:keyword>

  
<lom:keyword>
  
<lom:langstring xml:lang="en">Rumen</lom:langstring>

  
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<lom:langstring xml:lang="en">Sequencing</lom:langstring>

  
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<lom:datetime>2023-04-25T11:50:43.625Z</lom:datetime>

  
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<lom:vcard>BEGIN:VCARD
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N:Hartinger;Thomas;
FN:Thomas Hartinger
X-ORCID:https://orcid.org/0000-0001-5709-0500
END:VCARD</lom:vcard>

  
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<lom:vcard>BEGIN:VCARD
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N:Zebeli;Qendrim;
FN:Qendrim Zebeli
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<lom:vcard>BEGIN:VCARD
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N:Schatzmayr;Dian;
FN:Dian Schatzmayr
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N:Doupovec;Barbara;
FN:Barbara Doupovec
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<lom:vcard>BEGIN:VCARD
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N:Faas;Johannes;
FN:Johannes Faas
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<lom:vcard>BEGIN:VCARD
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N:Kröger;Iris;
FN:Iris Kröger
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N:Neubauer;Viktoria;
FN:Viktoria Neubauer
X-ORCID:https://orcid.org/0000-0002-4312-5781
END:VCARD</lom:vcard>

  
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