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J Herbmed Pharmacol. 2015;4(3): 81-84.
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Original Article

Acaricidal and repellent activities of essential oil of Eucalyptus globulus against Dermanyssus gallinae (Acari: Mesostigmata)

Amir Dehghani-Samani 1*, Samin Madreseh-Ghahfarokhi 2, Azam Dehghani-Samani 2, Khodadad Pirali-Kheirabadi 3

1 Department of Clinical Sciences, Faculty of Veterinary Medicine, Shahrekord University, Shahrekord, Iran
2 Faculty of Veterinary Medicine, Shahrekord University, Shahrekord, Iran
3 Department of Pathobiology, Faculty of Veterinary Medicine, Shahrekord University, Shahrekord, Iran
*Corresponding author: Amir Dehghani Samani, Department of Clinical Sciences, Faculty of Veterinary Medicine, University of Shahrekord, Shahrekord, Iran. Tel: +98-3834424427, amirds2008@gmail.com

Abstract

Introduction: By considering an increase in drug resistance against red mites, finding the nonchemical herbal acaricide against Dermanyssus gallinae (De Geer) (Acari: Mesostigmata) is necessary to kill them and to reduce the chemical resistance against chemical acaricides in this specie. Dermanyssus gallinae is a potential vector of the causal agent of several viral diseases such as Equine encephalitis and St. Louis encephalitis. It can be a vector of bacteria such as Salmonella spp., Mycobacterium spp. and Erysipelothrix rhusiopathiae. It is also known to cause itching dermatosis in humans. In this study acaricidal and repellent activities of essential oil of Eucalyptus globulus against Dermanyssus gallinae were studied.

Methods: After extracting the essential oil, different concentrations of the plant extract were prepared. Then, acaricidal effect of different concentrations was tested on poultry red mite, Dermanyssus gallinae, by dropping 3-4 drops of essential oil on mites. Repellent activity of essential oil was tested by Y-tube olfactometer bioassay. After the test, total number of killed and repellent mites reported.

Results: Concentration of 1:2 or 50% had more acaricidal effect on mites. Also essential oil of Eucalyptus globulus had repellent activity against red mites.

Conclusion: This study showed that essential oil of Eucalyptus globulus had acaricidal and repellent activities against red mites. Hence it might be used as a herbal acaricide against it to kill and to reduce the chemical resistance in this specie.

Keywords: Acaricidal activity, Dermanysuss gallinae, Essential oil, Eucalyptus globulus, Repellent activity

Implication for health policy/practice/research/medical education:

The Eucalyptus globulus essential oil possesses acaricidal and repellent activities against red mites and might be used instead of chemical substances against this specie.

Please cite this paper as: Dehghani-Samani A, Madreseh-Ghahfarokhi S, Dehghani-Samani A, Pirali-Kheirabadi K. Acaricidal and repellent activities of essential oil of Eucalyptus globulus against Dermanysuss gallinae (Acari: Mesostigmata). J HerbMed Pharmacol. 2015;4(3):81-84.

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