Background: Most epidemiological studies on tick-borne pathogens involve collection of ticks from the environment. An efficient collection method is essential for large sample pools. Our main aim was to evaluate the efficacy of a new method, where traditional flagging was enhanced by the use of CO 2 dispersed into the white flannel. The CO 2 was spread through a rubber hose network inserted into the flag blanket. The research was conducted in spring, in March-April 2011 in two locations from Cluj County, Romania. Methods: The research was conducted in March-April 2011 in two locations from Cluj County, Romania. The flag to be tested contained a fine silicone rubber hose network which dispersed the CO 2 in the shaft. On each collection site n=30 samplings were performed. Each sampling consisted in the simultaneous use of both flags (with and without CO 2) by two persons. The CO 2 concentration level on the flag canvas surface was measured. The efficacy of the method was determined by counting comparatively the total number of ticks and separate developmental stage count. Results: Using the CO 2 improved flag, 2411 (59%) Ixodes ricinus and 100 (53.8%) Dermacentor marginatus ticks were captured, while the CO 2-free flag accounted for the collection of 1670 I. ricinus (41%) and 86 (46.2%) D. marginatus ticks. The addition of CO 2 prompted a concentration difference on the surface of the flag ranging between 756.5 and 1135.0 ppm with a mean value of 848.9 ppm. Conclusion: The study showed that the CO 2 enhanced sweep flag increased the ability of I. ricinus (p≥0001) but not of D. marginatus to be attracted to the flag blanket. © 2012 Gherman et al.: licensee BioMed Central Ltd.
CITATION STYLE
Gherman, C. M., Mihalca, A. D., Dumitrache, M. O., Györke, A., Oroian, I., Sandor, M., & Cozma, V. (2012). CO 2 flagging - An improved method for the collection of questing ticks. Parasites and Vectors, 5(1). https://doi.org/10.1186/1756-3305-5-125
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