An evaluation of the ability of Dichelobacter nodosus to survive in soil

Sara Ellinor Cederlöf, Tomas Hansen, Ilka Christine Klaas, Øystein Angen

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    Abstract

    Background
    Dichelobacter nodosus is the causative agent of footrot in sheep. The survival of the bacterium in soil is of importance for the epidemiology of the disease. The investigation evaluates the survival of D. nodosus in soil with and without added hoof powder stored under different temperatures.

    Results
    An experimental setup was used with bacteriological culture and real-time polymerase chain reaction (PCR), and the results indicate that the bacteria can survive in soil for longer time than previously expected. The survival time was found to be dependent on temperature and the addition of hoof powder to the soil, with the longest survival time estimated to be 24 days in soil samples with hoof powder stored at 5°C.

    Conclusion
    Our findings indicate that the survival time of D. nodosus and its ability to infect susceptible sheep on pasture under different climatic conditions should be studied further.
    Original languageEnglish
    JournalActa Veterinaria Scandinavica (Online)
    Volume55
    Issue number4
    Number of pages4
    ISSN0044-605X
    DOIs
    Publication statusPublished - 2013

    Bibliographical note

    This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

    Keywords

    • Dichelobacter nodosus
    • Soil
    • Real-time PCR
    • Survival
    • Bacteriological culture

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