Influence of a Fusarium culmorum inoculation of wheat on the progression of mycotoxin accumulation, ingredient concentrations and ruminal in sacco dry matter degradation of wheat residues

Archives of Animal Nutrition
Ute BrinkmeyerG Flachowsky

Abstract

The Fusarium head blight (FHB)-susceptible winter wheat cv. Ritmo was inoculated with spores of Fusarium culmorum at the beginning of full blossom. Samples of whole wheat plants were taken once weekly from anthesis until harvest and subsequently fractionated into straw, glumes and spindles, which were examined for deoxynivalenol (DON) and zearalenone (ZON). Additionally, the content of crude protein (CP) and non-starch polysaccharides (NSP) was scrutinized. Synthesis of the Fusarium toxins DON and ZON generally differed in terms of date of formation and concentration. Final mean DON concentrations of 37.5, 28.1 and 5.0 mg/kg DM were measured in glumes, spindles and straw, respectively, at the time of harvest. At this time, maximal mean ZON concentrations of 587, 396 and 275 microg/kg DM in spindles, glumes and straw, respectively, were determined. Moreover, Fusarium infected wheat residues contained higher CP but lower NSP contents at the last three sampling dates. In addition, collective samples of wheat straw and chaff were taken to investigate the effect of the Fusarium contamination on their in sacco DM degradation in dairy cows. Samples were analysed for mycotoxins and selected quality parameters. The dried and milled coll...Continue Reading

References

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Citations

Mar 18, 2008·The Veterinary Journal·J Fink-Gremmels
Apr 17, 2012·FEMS Microbiology Ecology·Berna TunaliSukumar Chakraborty
Jan 25, 2020·Toxins·Amanda C RamdassSephra N Rampersad
Jan 24, 2019·Plant Disease·Kaitlyn M BissonnetteCarl A Bradley
Jan 23, 2013·Archives of Animal Nutrition·Dirk RohwederSven Dänicke
Feb 23, 2021·Archives of Animal Nutrition·Sebastian UlrichSven Dänicke
Nov 14, 2012·Environmental Science & Technology·Judith SchenzelThomas D Bucheli

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Methods Mentioned

BETA
glucosidation

Software Mentioned

StatSoft
Statistica

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