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Molecular Detection of Giardia intestinalis from Stray Dogs in Animal Shelters of Gyeongsangbuk-do (Province) and Daejeon, Korea

  • Shin, Jin-Cheol (Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Chungnam National University) ;
  • Reyes, Alisha Wehdnesday Bernardo (Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University) ;
  • Kim, Sang-Hun (Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Chungnam National University) ;
  • Kim, Suk (Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University) ;
  • Park, Hyung-Jin (Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Chungnam National University) ;
  • Seo, Kyoung-Won (Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Chungnam National University) ;
  • Song, Kun-Ho (Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Chungnam National University)
  • 투고 : 2015.03.24
  • 심사 : 2015.07.09
  • 발행 : 2015.08.31

초록

Giardia is a major public health concern and considered as reemerging in industrialized countries. The present study investigated the prevalence of giardiosis in 202 sheltered dogs using PCR. The infection rate was 33.2% (67/202); Gyeongsangbuk-do and Daejeon showed 25.7% (39/152, P<0.0001) and 56% (28/50), respectively. The prevalence of infected female dogs (46.7%, P<0.001) was higher than in male dogs (21.8%). A higher prevalence (43.5%, P<0.0001) was observed in mixed breed dogs than purebred (14.1%). Although most of the fecal samples collected were from dogs of ${\geq}1$ year of age which showed only 27.4% positive rate, 61.8% (P<0.001) of the total samples collected from young animals (<1 year of age) were positive for G. intestinalis. A significantly higher prevalence in symptomatic dogs (60.8%, P<0.0001) was observed than in asymptomatic dogs (23.8%). Furthermore, the analysis of nucleotide sequences of the samples revealed that G. intestinalis Assemblages A and C were found in the feces of dogs from Gyeongsangbuk-do and Daejeon. Since G. intestinalis Assemblage A has been known to infect humans, our results suggest that dogs can act as an important reservoir of giardiosis in Korea. Hence, hygienic management should be given to prevent possible transmission to humans.

키워드

참고문헌

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