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Volume 42, issue 5
Arch. Anim. Breed., 42, 431–442, 1999
https://doi.org/10.5194/aab-42-431-1999
© Author(s) 1999. This work is distributed under
the Creative Commons Attribution 3.0 License.
Arch. Anim. Breed., 42, 431–442, 1999
https://doi.org/10.5194/aab-42-431-1999
© Author(s) 1999. This work is distributed under
the Creative Commons Attribution 3.0 License.

  10 Oct 1999

10 Oct 1999

Aussage des Harnstoffverteilungsraumes zum Körperfettgehalt der Milchkuh

O. Wappler1 and R. Staufenbiel2 O. Wappler and R. Staufenbiel
  • 1Schnellröder Str. 24, 37235 Hess. Lichtenau, Germany
  • 2Freie Universität Berlin, Klinik für Klauentiere, Königsweg 65, 14163 Berlin, Germany

Abstract. Title of the paper: Utilization of urea space for estimation of body fat content in dairy cow
The urea space 12 minutes after intravenous administration of a defined amount of urea (HVR12) is unsuitable for estimation of body fat content in dairy cows. There is no connection between the absolute body fat content and the absolute HVR12. Between the relative body fat content and the relative HVRI2 combined a low significant measure of accuracy is established. Bibliographical references about unsatisfactory results by use of this method particulary in lactating cows are confirmed.

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