Occurrence and host associations of Dollfustrema bagarii (Digenea: Bucephalidae) in channel catfish cage culture in Northern Vietnam

A survey was conducted across 11 provinces in Northern Vietnam to investigate the distribution of Dollfustrema bagarii metacercariae - a causative agent of significant losses in cultured channel catfish (Ictalurus punctatus) - and to identify its first intermediate host. A total of 337 fish specimens were collected from 103 farms. Metacercariae of D. bagarii were detected in 72 farms (69.9% of farms), and 44.51% of the sampled fish were positive. The prevalence in lowland provinces was 3.14 times higher than that in mountainous regions (p < 0.001), while no significant difference was observed between fish cultured in reservoir/lake and those in river (p = 0.634). We identified the golden mussel Limnoperna fortunei (Bivalvia: Mytilidae) as the first intermediate host of D. bagarii. The morphological characteristics of its daughter sporocyst and cercariae were described, and the identification was confirmed through comparison of 28 S rDNA sequences with those of D. bagarii.

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Publication Details

Journal
Parasitology Research
Published
2025-11-01
DOI
https://doi.org/10.1007/s00436-025-08596-9
Primary Topic
Parasite Biology and Host Interactions
Type
article
Field-Weighted Citation Impact
0.00

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article

Occurrence and host associations of Dollfustrema bagarii (Digenea: Bucephalidae) in channel catfish cage culture in Northern Vietnam

Nguyên Ngoc Chính, Hà Nguyễn Vân, Stephen E. Greiman, Truong Dinh Hoai et al.
Parasitology Research
Parasite Biology and Host Interactions
article

Occurrence and host associations of Dollfustrema bagarii (Digenea: Bucephalidae) in channel catfish cage culture in Northern Vietnam

Nguyên Ngoc Chính, Hà Nguyễn Vân, Stephen E. Greiman, Truong Dinh Hoai, Van Kim Van, Hung Manh Nguyen, Henry Madsen, Manh Duc Vu, Minh Anh Kim, Hoang Van Hien, Dmitry M. Atopkin, Hai-Nam Le, Tuan Anh Tran, Nadezhda Simonova
article en

Abstract

A survey was conducted across 11 provinces in Northern Vietnam to investigate the distribution of Dollfustrema bagarii metacercariae - a causative agent of significant losses in cultured channel catfish (Ictalurus punctatus) - and to identify its first intermediate host. A total of 337 fish specimens were collected from 103 farms. Metacercariae of D. bagarii were detected in 72 farms (69.9% of farms), and 44.51% of the sampled fish were positive. The prevalence in lowland provinces was 3.14 times higher than that in mountainous regions (p < 0.001), while no significant difference was observed between fish cultured in reservoir/lake and those in river (p = 0.634). We identified the golden mussel Limnoperna fortunei (Bivalvia: Mytilidae) as the first intermediate host of D. bagarii. The morphological characteristics of its daughter sporocyst and cercariae were described, and the identification was confirmed through comparison of 28 S rDNA sequences with those of D. bagarii.

Parasitology ResearchVol. 124(11)
University of Copenhagen (DK), Far Eastern Federal University (RU), Georgia Southern University (US), Vietnam National University of Agriculture (VN), Federal Scientific Center of the East Asia Terrestrial Biodiversity FEB RAS (RU), Vietnam Academy of Science and Technology (VN), Hanoi University of Science and Technology (VN)
Vietnam Academy of Science and Technology
Openalex Percentile: Top 66%
Parasite Biology and Host Interactions
DOIOpen Access PDFOpenAlex
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