Effects of level of feed intake and Fusarium toxin-contaminated wheat on rumen fermentation as well as on blood and milk parameters in cows

Journal of Animal Physiology and Animal Nutrition
K SeelingG Flachowsky

Abstract

The aims of this study were to examine the effects of and possible interactions between dry matter (DM) intake and feeding Fusarium toxin-contaminated wheat on ruminal fermentation, serum chemical parameters and milk yield of dairy cows. Fourteen dairy cows equipped with ruminal and duodenal cannulas were analysed. All animals were fed the same ration, the daily feed amounts being adjusted to current performance. On DM basis, the ration consisted of 60% concentrate including 55% wheat [Fusarium-contaminated wheat (mycotoxin period) or control wheat (control period)] and was completed with 40% maize and grass silage. Each cow was fed the contaminated wheat [deoxynivalenol (DON), 8.21 mg/kg DM and zearalenone (ZON), 0.09 mg/kg DM] and the control wheat (0.25 mg DON/kg DM and 51 microg ZON/kg DM). As expected, a higher organic matter (OM) intake decreased the amounts of fermented crude nutrients related to the respective intakes. An increased amount of crude protein degraded (p < 0.05) and a lower molar percentage of propionate in the rumen fluid were observed when feeding the Fusarium toxin-contaminated wheat at increased OM intakes in comparison with the control wheat. The activities of serum aspartate aminotransferase (ASAT; p ...Continue Reading

References

Mar 1, 1976·Journal of the Science of Food and Agriculture·D G ChamberlainA G Wilson
Jan 1, 1992·Biotherapy·R E Coleman
Mar 1, 1987·Applied and Environmental Microbiology·K WestlakeM F Dutton
May 1, 1984·Journal of Dairy Science·R A Leng, J V Nolan
Jun 1, 1981·Journal of Dairy Science·J B Russell, R B Hespell

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Citations

Aug 1, 2012·Polish Journal of Veterinary Sciences·J MarczukM Gajecki
Dec 3, 2005·Toxicology in Vitro : an International Journal Published in Association with BIBRA·K SeelingM Rodehutscord
Dec 24, 2013·Food and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association·Janine WinklerSven Dänicke

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