Molecular detection of Giardia intestinalis from stray dogs in animal shelters of Gyeongsangbuk-do (Province) and Daejeon, Korea

Jin Cheol Shin, Alisha Wehdnesday Bernardo Reyes, Sang Hun Kim, Suk Kim, Hyung Jin Park, Kyoung Won Seo, Kun Ho Song

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

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 ≥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.

Original languageEnglish (US)
Pages (from-to)477-481
Number of pages5
JournalKorean Journal of Parasitology
Volume53
Issue number4
DOIs
StatePublished - Aug 25 2015
Externally publishedYes

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Giardia lamblia
Korea
Dogs
Giardia
Developed Countries
Feces
Public Health
Cross-Sectional Studies
Polymerase Chain Reaction

Keywords

  • Dog
  • Giardia intestinalis
  • PCR

ASJC Scopus subject areas

  • Parasitology
  • Infectious Diseases

Cite this

Molecular detection of Giardia intestinalis from stray dogs in animal shelters of Gyeongsangbuk-do (Province) and Daejeon, Korea. / Shin, Jin Cheol; Reyes, Alisha Wehdnesday Bernardo; Kim, Sang Hun; Kim, Suk; Park, Hyung Jin; Seo, Kyoung Won; Song, Kun Ho.

In: Korean Journal of Parasitology, Vol. 53, No. 4, 25.08.2015, p. 477-481.

Research output: Contribution to journalArticle

Shin, Jin Cheol ; Reyes, Alisha Wehdnesday Bernardo ; Kim, Sang Hun ; Kim, Suk ; Park, Hyung Jin ; Seo, Kyoung Won ; Song, Kun Ho. / Molecular detection of Giardia intestinalis from stray dogs in animal shelters of Gyeongsangbuk-do (Province) and Daejeon, Korea. In: Korean Journal of Parasitology. 2015 ; Vol. 53, No. 4. pp. 477-481.
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abstract = "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 ≥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.",
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