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Lack of prolonged activity of lavender essential oils as acaricides against the poultry red mite (Dermanyssus gallinae) under laboratory conditions

Lookup NU author(s): Dr Dave George, Dr Jonathan Guy, Dr Olivier Sparagano


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Managing the poultry red mite, Dermanyssus gallinae (De Geer) by conventional means (i.e., synthetic acaricides) has become increasingly problematic. As a possible alternative, research has identified several plant essential oils that are toxic to D. gallinae. However, essential oils are highly volatile and any acaricidal effect they exert could be short-lived in practice. This study investigated the short-lived toxicity of six lavender essential oils to D. gallinae. In sealed Petri-dishes, mites were exposed to filter papers impregnated with essential oil at a concentration of 0.14 mg/cm3. When filter papers were used immediately after impregnation, 66-90% D. gallinae mortality was observed after 24 h, depending upon the essential oil used. If impregnated filter papers were left in a fume cupboard for 24 h prior to use, mortality rates of D. gallinae fell to 11% or less. © 2008 Elsevier Ltd. All rights reserved.

Publication metadata

Author(s): George DR, Callaghan K, Guy JH, Sparagano OAE

Publication type: Article

Publication status: Published

Journal: Research in Veterinary Science

Year: 2008

Volume: 85

Issue: 3

Pages: 540-542

Print publication date: 01/12/2008

ISSN (print): 0034-5288

ISSN (electronic): 1532-2661

Publisher: Elsevier Ltd


DOI: 10.1016/j.rvsc.2008.02.001


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