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Prevalence of Trichinella T9 in Japanese black bears (Ursus thibetanus japonicus) in Iwate prefecture, Japan.

Authors
  • Tominaga, Taisuke1
  • Aoki, Mikiko1
  • Biswas, Peru Gopal2
  • Hatta, Takeshi3
  • Itagaki, Tadashi4
  • 1 Laboratory of Veterinary Parasitology, Faculty of Agriculture, Iwate University, 3-18-8 Ueda, Morioka 020-8550, Japan. , (Japan)
  • 2 Laboratory of Veterinary Parasitology, Faculty of Agriculture, Iwate University, 3-18-8 Ueda, Morioka 020-8550, Japan; Department of Pathogenetic Veterinary Science, The United Graduate School of Veterinary Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan. , (Japan)
  • 3 Department of Parasitology, Kitasato University School of Medicine, 1-15-1 Kitasato, Minami, Sagamihara, Kanagawa 252-0374, Japan. , (Japan)
  • 4 Laboratory of Veterinary Parasitology, Faculty of Agriculture, Iwate University, 3-18-8 Ueda, Morioka 020-8550, Japan; Department of Pathogenetic Veterinary Science, The United Graduate School of Veterinary Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan. Electronic address: [email protected] , (Japan)
Type
Published Article
Journal
Parasitology international
Publication Date
Feb 01, 2021
Volume
80
Pages
102217–102217
Identifiers
DOI: 10.1016/j.parint.2020.102217
PMID: 33137504
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

Trichinellosis is a meat-borne zoonotic disease caused by nine Trichinella speices and three unclassified genotypes. In Japan, four domestic outbreaks of human trichinellosis are reported sporadically and were associated with the consumption of wild bear meat. This study examined Trichinella prevalence and its species in black bears, Ursus thibetanus japonicus in Iwate prefecture, Japan. Trichinella T9 larvae identified molecularly were first detected in 1.4% (2/144) of the masseters of black bears examined, and their densities were low (1 and 0.3 larvae /g muscle, respectively). Two cytochrome C oxidase I (COI) haplotypes (sequences) of Trichinella T9 were found in distinct bear populations, suggesting that Trichinella T9 populations isolated genetically by bear populations would occur in Japan. Copyright © 2020 Elsevier B.V. All rights reserved.

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