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Received: March 22, 2024; Accepted: October 7, 2024.
Abstract
This study surveyed the current status of intestinal parasite infections in Korean dog fecal samples. A total of 367 fecal samples were collected from the northern (Seoul and Gyeonggi-do), central (Chungcheong-do), and southern (Gyeongsang-do) regions and analyzed using the saturated sodium nitrate flotation technique and the nucleotide sequences of 18S rRNA. Six species of intestinal parasites were detected using the flotation technique. Among them, helminth eggs detected included Toxocara canis (6.0%), Toxascaris leonina (1.1%), Trichuris vulpis (6.8%), Ancylostoma caninum (2.7%), and Spirometra sp. (1.1%). Additionally, Cystoisospora sp. (7.6%) oocysts were also detected. The prevalence of intestinal parasite infections was higher in shelter dogs than in pet dogs. Molecular genetic assays revealed the gdh and 18S rRNA genes of Giardia duodenalis (type D) in 4.9% of fecal samples. To the best of our knowledge, 18S rRNA genes of Cryptosporidium canis were identified in 1.9% of fecal samples for the first time in Korea. These findings provide an overview of the current status of intestinal parasite infections in fecal samples of dogs from Korea and can be helpful in the surveillance of zoonotic parasite infections related to dogs.
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