An analysis of tick surveillance results in Shaoxing, Zhejiang Province, 2017-2019

JIANG Guo-qin, FANG Yi-rong, XU Yan, JIANG Ji-yang, HE Xue-jun

doi:10.11853/j.issn.1003.8280.2024.02.007

Chinese Journal of Vector Biology and Control >

2024 , Vol. 35 >Issue 2: 166 - 170

DOI: https://doi.org/10.11853/j.issn.1003.8280.2024.02.007

Vector Surveillance

An analysis of tick surveillance results in Shaoxing, Zhejiang Province, 2017-2019

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1. Department of Disinfection and Vector Control, Shaoxing Center for Disease Control and Prevention, Shaoxing, Zhejiang 312071, China

Received date: 2023-06-06

Online published: 2024-05-09

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Abstract

Objective To investigate and analyze the changes in tick density by time, region, host animal, and habitat based on tick surveillance results in Shaoxing, Zhejiang Province, China from 2017 to 2019, so as to provide a basis for developing tick prevention and control measures.Methods At six surveillance sites set in Shaoxing, the parasitic ticks were monitored by animal body surface inspection, and the questing ticks were monitored using the drag-flag method. Descriptive statistical analysis method was used to analyze the data.Results For parasitic ticks, the average tick index in Shaoxing from 2017 to 2019 was 0.53; by month, the highest tick index was 0.78 in September, and the lowest was 0.03 in March; by host animal, goats had the highest tick index (0.77), followed by rural dogs (0.21); and by region, the tick index in Shangyu District was the highest (1.59), while no ticks were detected in Yuecheng District. For questing ticks, the average density was 0.90 ticks/flag·100 m; by month, the highest density was 1.63 ticks/flag·100 m in September, and the lowest density was 0.10 ticks/flag·100 m in March; by habitat, the highest density was 6.57 ticks/flag·100 m on rural sloped grassland, followed by 0.09 ticks/flag·100 m around rural natural villages; and by region, the highest densities were in Shangyu District (5.67 ticks/flag·100 m) and Shengzhou (0.02 ticks/flag·100 m).Conclusions In Shaoxing, the density of questing ticks was highest in rural sloped grassland, and the density of parasitic ticks was highest on goats. In the areas with a high incidence of tick-borne diseases, targeted tick control measures should be taken based on the results of surveillance.

Key words： Tick; Ecology; Surveillance; Host animal

Cite this article

JIANG Guo-qin, FANG Yi-rong, XU Yan, JIANG Ji-yang, HE Xue-jun . An analysis of tick surveillance results in Shaoxing, Zhejiang Province, 2017-2019[J]. Chinese Journal of Vector Biology and Control, 2024 , 35(2) : 166 -170 . DOI: 10.11853/j.issn.1003.8280.2024.02.007

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