A Coprological Survey of Intestinal Helminthes in Stray Dogs Captured in Osaka Prefecture, Japan

  • KIMURA Akio
    Osaka Prefectural Institute of Public Health, 1–3–69 Nakamichi, Higashinari-ku, Osaka 537–0025, Japan
  • MORISHIMA Yasuyuki
    Department of Parasitology, National Institute of Infectious Diseases, Tokyo 162–8640, Japan
  • NAGAHAMA Shinya
    Osaka Prefectural Government, Osaka 540–8570, Japan
  • HORIKOSHI Takashi
    Osaka Prefectural Government, Osaka 540–8570, Japan
  • EDAGAWA Akiko
    Osaka Prefectural Institute of Public Health, 1–3–69 Nakamichi, Higashinari-ku, Osaka 537–0025, Japan
  • KAWABUCHI-KURATA Takako
    Osaka Prefectural Institute of Public Health, 1–3–69 Nakamichi, Higashinari-ku, Osaka 537–0025, Japan
  • SUGIYAMA Hiromu
    Department of Parasitology, National Institute of Infectious Diseases, Tokyo 162–8640, Japan
  • YAMASAKI Hiroshi
    Department of Parasitology, National Institute of Infectious Diseases, Tokyo 162–8640, Japan

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説明

This study aimed to investigate intestinal helminth infection in stray dogs in Osaka Prefecture by surveying coprological samples from dogs captured from 2006–2011. Of 212 fecal samples collected, overall prevalence of infection was 39.2%. The most common species was Toxocara canis (25.0%), followed by Trichuris vulpis (8.0%), Spirometra erinaceieuropaei (3.3%), Taeniidae (2.4%), Ancylostoma caninum (1.9%) and Toxascaris leonine (0.5%). In the molecular analysis, all of the taeniid eggs were negative for Echinococcus multilocularis and were identified as other taeniid species (e.g., Taenia pisiformis). Our results suggest that stray dogs remain important infection reservoirs of zoonotic parasites in Osaka Prefecture. Therefore, control of stray dogs is crucial for reducing the risk of public health problems due to parasitic infections.

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