Repellency effect of flumethrin pour-on formulation against vectors of Crimean-Congo haemorrhagic fever.

Authors:
Eslam Moradi Asl
Eslam Moradi Asl
Health Care Center of Meshkinshahr
Hassan Vatandoost
Hassan Vatandoost
School of Public Health
Mehdi Mohebali
Mehdi Mohebali
School of Public Health
Iran
Mohammad Reza Abai
Mohammad Reza Abai
Tehran University of Medical Sciences
Iran

East Mediterr Health J 2019 Jan 23;24(11):1082-1087. Epub 2019 Jan 23.

Department of Medical Entomology and Vector Control, School of Public Health and National Institute of Health Research, Tehran University of Medical Sciences, Tehran, Islamic Republic of Iran.

Background: Ticks are able to transmit important diseases to humans, including Rocky Mountain spotted fever, Q fever, Crimean-Congo haemorrhagic fever, summer Russian encephalitis, and relapsing fever.

Aims: To determine the repellency effect of 1% flumethrin pour-on formulation against hard ticks.

Methods: The concentration of flumethrin pour-on formulation was 1 mg/10 kg body weight and was administered on the dorsal midline from the head to the base of the tail. The livestock included cows, goats, oxen and sheep in 2 villages in Ardabil Province, Islamic Republic of Iran.

Results: We studied 200 livestock comprising 5 age groups (< 2, 3-4, 5-6, 7-8 and >8 years). The main hard ticks identified were Hyalomma species (62.5%) and Rhipicephalus bursa (37.5%). In the treatment village, the maximum number of ticks per animal was 11.6 in oxen, 9.5 in sheep, 8.9 in goats and 8.6 in cattle. The repellency effect of flumethrin remained for 2 months.

Conclusions: Flumethrin provided 2 months protection against hard ticks. Therefore, it could be used in the livestock industry. Control of ticks is important for prevention of disease transmission.

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Source
http://dx.doi.org/10.26719/emhj.18.004DOI Listing
January 2019
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