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Survey of the Prosthogonimus spp. metacercariae infection in the second intermediate host dragonfly in Heilongjiang Province, China

文献类型： 外文期刊

作者： Li, Ben 1 ; Lan, Zhuo 1 ; Guo, Xin-Ru 1 ; Zhang, Ai-Hui 1 ; Wei, Wei 1 ; Li, Ye 2 ; Jin, Zhen-Hua 2 ; Gao, Zhong-Yan 3 ; Zhang, Xian-Guang 3 ; Li, Bai 4 ; Gao, Jun-Feng 1 ; Wang, Chun-Ren 1 ;

作者机构： 1.Heilongjiang Bayi Agr Univ, Coll Anim Sci & Vet Med, Heilongjiang Prov Key Lab Prevent & Control Bovine, Daqing 163316, Heilongjiang, Peoples R China

2.Heilongjiang Acad Agr Sci, Branch Anim Husb & Vet Branch, Qiqihar 161005, Heilongjiang, Peoples R China

3.Heilongjiang Zhalong Natl Nat Reserve Adm, Qiqihar 161005, Heilongjiang, Peoples R China

4.Qiqihar Anim Husb & Vet Serv Ctr, Qiqihar 161000, Heilongjiang, Peoples R China

关键词： Prosthogonimus; Metacercaria; Dragonfly; Prevalence; Heilongjiang Province; China

期刊名称：PARASITOLOGY RESEARCH （ 影响因子：2.0； 五年影响因子：2.0 ）

ISSN： 0932-0113

年卷期： 2023 年

页码：

收录情况： SCI

摘要： Prosthogonimiasis poses a threat to the reproductive system of poultry and wild birds, which are the definitive hosts of the parasite causing this disease. However, the parasite infection of the second intermediate host (dragonfly), the primary vector of this pathogen, is rarely reported. In this study, the prevalence of Prosthogonimus infection in dragonflies was investigated from June 2019 to October 2022 in Heilongjiang Province, northeast China. The species of metacercariae isolated from dragonfly were identified by morphological characteristics, molecular biology techniques, and animal infection experiments. The results showed that 11 species of dragonflies and one damselfly were identified and among six of the dragonflies infected by Prosthogonimus metacercariae, Sympetrum depressiusculum (28.53%) had the highest infection rate among all positive dragonflies, followed by Sympetrum vulgatum (27.86%) and Sympetrum frequens (20.99%), which are preferred hosts, and the total prevalence was 20.39% (2061/10,110) in Heilongjiang Province. Three species of Prosthogoniumus metacercariae were isolated, including Prosthogonimus cuneatus, Prosthogonimus pullucidus, and Prosthogonimus sp., among which P. cuneatus was the dominant species in dragonflies in Heilongjiang Province. This is the first report on the prevalence of Prosthogonimus in dragonflies in China, which provides baseline data for the control of prosthogonimiasis in Heilongjiang Province and a reference for the prevention of prosthogonimiasis in other areas of China.

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