Abstract
Recent studies of the neem seed product MiteStop® showed that it has a good acaricidal effect against all developmental stages of the poultry red mite, Dermanyssus gallinae. In vitro tests proved an efficacy at direct contact, as well as by fumigant toxicity. Light and scanning electron microscopic (SEM) investigations showed no clear, morphologically visible signs of an effect caused by fumigant toxicity. Direct contact with the neem product, however, seemed to be of great impact. Chicken mites turned dark brown or even black after being treated with the neem product. SEM analysis showed damages along the body surface of the mites.
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Acknowledgements
The authors would like to thank all the members of the Institute of Zoomorphology, Zoobiology and Parasitology of the Heinrich-Heine-Universität Düsseldorf and of Alpha-Biocare GmbH (Germany) for their support. Furthermore, we thank Prof. Dr. Schein (Freie Universität Berlin, Germany) for his cooperation. We also acknowledge the grateful support of the Center of Excellence of the College of Science, King Saud University, Riyadh, Saudi Arabia.
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Parts of this publication are included in the Ph.D. thesis of Doctor Nina Locher. This thesis has been accepted at the Free University of Berlin (Germany) to obtain the Doctor of Veterinary Medicine degree.
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Locher, N., Klimpel, S., Abdel-Ghaffar, F. et al. Light and scanning electron microscopic investigations on MiteStop®-treated poultry red mites. Parasitol Res 107, 433–437 (2010). https://doi.org/10.1007/s00436-010-1958-z
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DOI: https://doi.org/10.1007/s00436-010-1958-z