The first detection of Dicrocoelium chinensis sporocysts          from the land snail Aegista vulgivaga in Gifu Prefecture,          Japan

Tsukasa WAKI; Yuma OHARI; Kei HAYASHI; Junji MORIBE; Kayoko MATSUO; Yasuhiro TAKASHIMA

doi:10.1292/jvms.21-0012

Parasitology

The first detection of Dicrocoelium chinensis sporocysts from the land snail Aegista vulgivaga in Gifu Prefecture, Japan

Tsukasa WAKI, Yuma OHARI, Kei HAYASHI, Junji MORIBE, Kayoko MATSUO, Yasuhiro TAKASHIMA

Author information

Tsukasa WAKI
Faculty of Science, Toho University, 2-2-1 Miyama, Funabashi-shi, Chiba 274-8510, Japan
Yuma OHARI
Laboratory of Parasitology, Department of Disease Control, Faculty of Veterinary Medicine, Hokkaido University, Kita 18, Nishi 9, Kita-ku Sapporo, Hokkaido 060-0818, Japan
Kei HAYASHI
Laboratory of Parasitology, Faculty of Veterinary Medicine, Okayama University of Science, 1-3 Ikoinooka, Imabari-shi, Ehime 794-8555, Japan
Junji MORIBE
Laboratory of Wildlife Resources, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1303, Japan
School of Social System Management, Gifu University, 1-1 Yanagido, Gifu 501-1303, Japan
Kayoko MATSUO
Kumamoto Prefectural Aso Public Health Center, 2402 Miyaji, Ichinomiya-machi, Aso-shi, Kumamoto 869-2612, Japan
Yasuhiro TAKASHIMA
Faculty of Applied Biological Science, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
Joint Graduate School of Veterinary Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan

Keywords: Aegista vulgivaga, Dicrocoelium chinensis, DNA barcode, first intermediate host, sporocyst

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Supplementary material

2021 Volume 83 Issue 6 Pages 957-961

DOI https://doi.org/10.1292/jvms.21-0012

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Abstract

Trematodes of the genus Dicrocoelium are one of the most common parasites in ruminant animals; however, their life cycles in Japan are unclear. To find the sporocysts of D. chinensis in the natural field, we sampled 269 land snails (14 species) at a location with high level infection of sika deer in Gifu Prefecture, Honshu Island, Japan in autumn between 2017 and 2019. During the sampling period, we found mother sporocysts in the hepatopancreas of Aegista vulgivaga and Cyclophorus herklotsi. DNA barcoding based on the sequences of cytochrome c oxidase subunit 1 showed that the sporocysts from A. vulgivaga belonged to D. chinensis, indicating that this snail has potential as the first intermediate host of D. chinensis at this location.

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