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Survey of the Prosthogonimus spp. metacercariae infection in the second intermediate host dragonfly in Heilongjiang Province, China
Ist Teil von
Parasitology research (1987), 2023-12, Vol.122 (12), p.2859-2870
Ort / Verlag
Berlin/Heidelberg: Springer Berlin Heidelberg
Erscheinungsjahr
2023
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
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.