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    Technical note:
    validation of a system for monitoring rumination in dairy cows (2009)

    Art
    Zeitschriftenartikel / wissenschaftlicher Beitrag
    Autoren
    Schirmann, K.
    von Keyserlingk, M. A. G.
    Weary, D. M.
    Veira, D. M.
    Heuwieser, W.
    Quelle
    Journal of dairy science : JDS
    Bandzählung: 92
    Heftzählung: 12
    Seiten: 6052 – 6055
    ISSN: 0022-0302
    Sprache
    Englisch
    Verweise
    DOI: 10.3168/jds.2009-2361
    Pubmed: 19923608
    Kontakt
    Tierklinik für Fortpflanzung

    Königsweg 65
    Haus 27
    14163 Berlin
    +49 30 838 62618
    fortpflanzungsklinik@vetmed.fu-berlin.de

    Abstract / Zusammenfassung

    Increased rumination in dairy cattle has been associated with increased saliva production and improved rumen health. Most estimates of rumination are based on direct visual observations. Recently, an electronic system was developed that allows for automated monitoring of rumination in cattle. The objective was to validate the data generated by this electronic (Hi-Tag, SCR Engineers Ltd., Netanya, Israel) rumination monitoring system. Assessments of 2 independent observers were highly correlated (r = 0.99, n = 23), indicating that direct human observations were suitable as the reference method. Measures from the Hi-Tag electronic system were validated by comparing values with those from a human observer for fifty-one 2-h observation periods from 27 Holstein cows. Rumination times (35.1 +/- 3.2 min) from the electronic system were highly correlated with those from direct observation (r = 0.93, R(2) = 0.87, n = 51), indicating that the electronic system was an accurate tool for monitoring this behavior in dairy cows.