Fachbereich Veterinärmedizin


Service-Navigation

    Publikationsdatenbank

    Analyses of the correlation between dermal and blood carotenoids in female cattle by optical methods (2012)

    Art
    Zeitschriftenartikel / wissenschaftlicher Beitrag
    Autoren
    Kleinhans, Julia
    Darvin, Maxim E.
    Meinke, M.
    Schweigert, Florian J
    Müller, K E (WE 18)
    Lademann, J.
    Quelle
    Journal of biomedical optics; 18(6) — S. 061219
    ISSN: 1083-3668
    Sprache
    Englisch
    Verweise
    DOI: 10.1117/1.JBO.18.6.061219
    Pubmed: 23748700
    Kontakt
    Klinik für Klauentiere

    Königsweg 65
    Gebäude 26
    14163 Berlin
    Tel.+49 30 838 62261 Fax.+49 30 838 62512
    email:klauentierklinik@vetmed.fu-berlin.de

    Abstract / Zusammenfassung

    Herd health programs for the maintenance of welfare and productivity in cattle need efficient tools for monitoring the health of individual animals. Recent reports demonstrate that the oxidative status is related to various stress conditions in dairy cows. Biomarkers, among other carotenoids, could serve as indicators of stress originating from the environment (e.g., heat stress or sun radiation) or from the animal itself (e.g., disease). To date, only invasive in vitro tests are available to assess the oxidative status in cattle. The present study compares the results of optical noninvasive in vivo measurements of dermal carotenoids in cattle udder skin using an LED-based miniaturized spectroscopic system (MSS) with those obtained by photometric analysis of beta carotene in whole blood samples using a portable device. Correlations between the concentrations of dermal and blood carotenoids were calculated under consideration of the nutritional status of the animals. Significant correlation (R=0.86) was found for cattle with a moderate to obese body condition. Thus, the blood and skin concentrations of the marker substance beta carotene are comparable under stable stress conditions of the cattle. This demonstrates that the MSS is suitable for noninvasive assessment of dermal carotenoid concentrations in cattle.