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Fermentation pattern of the rumen and hindgut inocula of sheep grazing in an area polluted from the non-ferrous metal industry

Author

Listed:
  • Z. Váradyová

    (Institute of Animal Physiology, Slovak Academy of Sciences, Košice, Slovak Republic)

  • K. Mihaliková

    (Institute of Animal Physiology, Slovak Academy of Sciences, Košice, Slovak Republic)

  • S. Kišidayová

    (Institute of Animal Physiology, Slovak Academy of Sciences, Košice, Slovak Republic)

  • P. Javorský

    (Institute of Animal Physiology, Slovak Academy of Sciences, Košice, Slovak Republic)

Abstract

In vitro study of the rumen fluid (RF) and hindgut content (HC) fermentation by microbiota taken from sheep grazing in an area atmospherically polluted from the non-ferrous metal industry was conducted and compared with controls from an uncontaminated area (UA). The experimental sheep were exposed to the prolonged intake of heavy metals by grazing in the contaminated area (CA) for one year. Soil and grass from that area and the rumen content of sheep were analyzed for heavy metal levels. Based on the levels of mercury (4.752 mg/kg), copper (232.9 mg/kg), cadmium (1.167 mg/kg), lead (92.509 mg/kg) and arsenic (74.59 mg/kg) the soil was categorized as profusely contaminated. Meadow hay (MH) from UA was used as a tested substrate of fermentation activity; it was incubated with buffered RF and HC inocula from CA and UA for 24 h. The gas volume in CA was significantly decreased by 50 and 36% in RF and HC, respectively. The methane production in CA was significantly decreased by 77 and 71% in RF and HC, respectively. The significantly decreased values of the fermentation parameters in CA in comparison with UA were accompanied by the reduced (P < 0.01) total concentration of rumen ciliate protozoa.

Suggested Citation

  • Z. Váradyová & K. Mihaliková & S. Kišidayová & P. Javorský, 2006. "Fermentation pattern of the rumen and hindgut inocula of sheep grazing in an area polluted from the non-ferrous metal industry," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 51(2), pages 66-72.
    • Handle: RePEc:caa:jnlcjs:v:51:y:2006:i:2:id:3911-cjas
    DOI: 10.17221/3911-CJAS
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    Cited by:

    1. D. Húska & O. Zítka & V. Adam & M. Beklová & S. Křížková & L. Zeman & A. Horna & L. Havel & J. Zehnálek & R. Kizek, 2007. "A sensor for investigating the interaction between biologically important heavy metals and glutathione," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 52(2), pages 37-43.

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