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Lookup NU author(s): Dr Robert Shiel,
Dr Olivier Sparagano,
Dr Jonathan Guy
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The poultry red mite, Dermanyssus gallinae (De Geer), is the most important ectoparasitic pest of layer hens worldwide and difficult to control through 'conventional' synthetic acaricides. The present study aimed to identify a suitable predator of D. gallinae that could potentially form the basis of biological control in commercial poultry systems. From four selected predatory mite species (Hypoaspis miles (Berlese), Hypoaspis aculeifer (Canestrini), Amblyseius degenerans (Berlese) and Phytoseiulus persimilis (Athias-Henriot)). Hypoaspis mites demonstrated the greatest potential as predators of D. gallinae. Experiments were also conducted to assess the effect of environmental (temperature and dust), physical (presence of harbourages) and biological (presence of alternative prey) factors on the predatory efficacy of H. miles. Predation of D. gallinae per se was observed under all conditions tested, though was found to be temperature-dependant and reduced by the presence of alternative prey. (C) 2012 Elsevier B.V. All rights reserved.
Author(s): Ali W, George DR, Shiel RS, Sparagano OAE, Guy JH
Publication type: Article
Publication status: Published
Journal: Veterinary Parasitology
Print publication date: 13/01/2012
ISSN (print): 0304-4017
ISSN (electronic): 1873-2550
Publisher: Elsevier BV
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