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Susceptibility of cockroaches to Lambadacyhalothrin and Cypermethrin in hospitals of Tehran University of Medical Science
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| M. Baniardalani * , N. Nourjah , F. Changani |
| , Email: mbaniardalan@yahoo.com |
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Abstract: (6389 Views) |
| Abstract
Background: Regarding the high exposure of cockroaches to insecticides in hospitals, the chance for development of resistance is increasing.
Objective: To determine susceptibility of different strains of Belattella germanica L. to Lambadacyhalothrin and Cypermethrin insecticides.
Methods: The strains were collected from 5 hospitals affiliated to Tehran university of medical sciences (Emam,Dr. Shariatii, Markaz e tebi, Ziaeian, Baharlou ). Susceptibility tests were carried out on 1-3 days nymphs according to WHO standard method in different time.
Finding: Susceptibility tests on 1-3 days nymphs indicated that the strains of German cockroaches collected from hospitals mentioned above were all resistant to Cypermethrin and also with some susceptibility changes to Lambadacyhalothrin.
Conclusion: The resistance observed in our study may be due to current use of insecticide for German cockroach control and hence the development of cross resistance to these insecticides. |
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| Keywords: Keywords: German Cockroach, Insecticides, Lambadacyhalothrin, Cypermethrin, Hospitals |
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Full-Text [PDF 153 kb]
(1161 Downloads)
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Type of Study: Research |
Subject:
Occupational Health Engineering
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