Seasonal Activity of Ticks and their Importance in Tick-Borne Infectious Diseases in West Azerbaijan, Iran
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Abstract
Background: West Azerbaijan is considered as a main region for domestic animal breeding. Due to importance of herd as a main host and ticks as a vector of relapsing fever and CCHF, a comprehensive study was undertaken in the region.
Methods: Outdoor, indoor collection as well as ticks stick to the animals' body were collected and identified. The study was conducted during the whole seasons in 2004-2005.
Results: During four seasons a total of 2728 ticks of two families (Ixodidae and Argasidae) were collected comprising 7 genera of 5 hard ticks and two genera of soft ticks including Haemaphysalis, Hyalomma, Rhipicephalus, Boophilus and Dermacentor. The soft ticks were Ornithodoros and Argas. These 7 genera included 18 species. The main species were Haemaphysalis inermis, H. punctata, H. sulcata, H. numidiana, H. concinna, Hyalomma marginatum, Hy. anatolicum, Hy. detritum, Hy. dromedarii, Hy. asiaticum, Hy. schulzei, H. aegyptium, Rhipicephalus bursa, R. sangiuneus, Dermacentor marginatus, Boophilus annulatus, Ornithodoros lahorensis, and Argas persicus. Frequency of ticks during different seasons was different. A pyrethroid insecticide, cypermethrin, which is widely used for tick control was tested against soft ticks. The test method was based on WHO recommendation. At the LD50 level A. persicus needs more concentration than O. lahorensis.
Conclusion: Ornithodoros and Argas are the more prevalent soft ticks in the region. Distribution and prevalence of hard ticks was varied in different seasons. Results of this study will provide a clue for vectors of tick-borne diseases in the region for local authorities for implementation of tick control.
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| Issue | Vol 2 No 2 (2008) | |
| Section | Articles | |
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| Tticks Iran Borrelia | ||
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