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      Responses of free-ranging house sparrows to feed containing primary and secondary repellents

      Day, Tim D.; Clapperton, B. Kay; Porter, Richard E.R.; Waas, Joseph R.; Matthews, Lindsay R.
      DOI
       10.1080/01140671.2011.630738
      Link
       www.tandfonline.com
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      Citation
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      Day, T.D., Clapperton, B.K., Porter, R.E.R., Waas, J.R. & Matthews, L.R. (2011). Responses of free-ranging house sparrows to feed containing primary and secondary repellents. New Zealand Journal of Crop and Horticultural Science, available online 11 November 2011.
      Permanent Research Commons link: https://hdl.handle.net/10289/5986
      Abstract
      We recorded the responses of free-ranging house sparrows (Passer domesticus) to various concentrations of primary repellents and a secondary repellent. Wheat treated with either lime or neem oil was consumed by sparrows at the same rate over 24 hours as plain wheat at all doses. d-pulegone significantly reduced wheat consumption from day 1 onwards throughout the 4 days. Avex™ (containing the secondary repellent anthraquinone) did not significantly reduce wheat consumption on day 1 of exposure, but sparrows ate progressively less repellent wheat over the following days. For both d-pulegone and Avex™, there was a negative relationship between wheat consumption and repellent concentration. In experiment 2, the highest concentrations of Avex™ + d-pulegone combined reduced daily wheat consumption significantly more than Avex™ alone and the effect lasted throughout the 10-day test. These results demonstrate the potential of primary and secondary repellents, presented alone or in combination, for modifying the feeding behaviour of sparrows.
      Date
      2011
      Type
      Journal Article
      Publisher
      Taylor & Francis
      Collections
      • Science and Engineering Papers [3122]
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