Parasites, Hosts and Diseases

The Korea Society for Parasitology and Tropical Medicine (대한기생충학·열대의학회)
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Intestinal Nematodes from Small Mammals Captured near the Demilitarized Zone, Gyeonggi Province, Republic of Korea

  • Kim, Deok-Gyu (Department of Parasitology and Tropical Medicine, Seoul National University College of Medicine) ;
  • Park, Jae-Hwan (Department of Parasitology and Tropical Medicine, Seoul National University College of Medicine) ;
  • Kim, Jae-Lip (Department of Parasitology and Tropical Medicine, Seoul National University College of Medicine) ;
  • Jung, Bong-Kwang (Department of Parasitology and Tropical Medicine, Seoul National University College of Medicine) ;
  • Jeon, Sarah Jiyoun (Department of Parasitology and Tropical Medicine, Seoul National University College of Medicine) ;
  • Lim, Hyemi (Department of Parasitology and Tropical Medicine, Seoul National University College of Medicine) ;
  • Lee, Mi Youn (Department of Parasitology and Tropical Medicine, Seoul National University College of Medicine) ;
  • Shin, Eun-Hee (Department of Parasitology and Tropical Medicine, Seoul National University College of Medicine) ;
  • Klein, Terry A. (Public Health Command Region-Pacific) ;
  • Kim, Heung-Chul (5th Medical Detachment, 168th Multifunctional Medical Battalion, 65th Medical Brigade) ;
  • Chong, Sung-Tae (5th Medical Detachment, 168th Multifunctional Medical Battalion, 65th Medical Brigade) ;
  • Song, Jin-Won (Department of Microbiology, College of Medicine, Korea University) ;
  • Baek, Luck-Ju (Department of Microbiology, College of Medicine, Korea University) ;
  • Chai, Jong-Yil (Department of Parasitology and Tropical Medicine, Seoul National University College of Medicine)
  • Received : 2014.10.20
  • Accepted : 2014.12.24
  • Published : 2015.02.28
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Abstract

A total of 1,708 small mammals (1,617 rodents and 91 soricomorphs), including Apodemus agrarius (n = 1,400), Microtus fortis (167), Crocidura lasiura (91), Mus musculus (32), Myodes (= Eothenomys) regulus (9), Micromys minutus (6), and Tscherskia (= Cricetulus) triton (3), were live-trapped at US/Republic of Korea (ROK) military training sites near the demilitarized zone (DMZ) of Paju, Pocheon, and Yeoncheon, Gyeonggi Province from December 2004 to December 2009. Small mammals were examined for their intestinal nematodes by necropsy. A total of 1,617 rodents (100%) and 91 (100%) soricomorphs were infected with at least 1 nematode species, including Nippostrongylus brasiliensis, Heligmosomoides polygyrus, Syphacia obvelata, Heterakis spumosa, Protospirura muris, Capillaria spp., Trichuris muris, Rictularia affinis, and an unidentified species. N. brasiliensis was the most common species infecting small mammals (1,060; 62.1%) followed by H. polygyrus (617; 36.1%), S. obvelata (370; 21.7%), H. spumosa (314; 18.4%), P. muris (123; 7.2%), and Capillaria spp. (59; 3.5%). Low infection rates (0.1-0.8%) were observed for T. muris, R. affinis, and an unidentified species. The number of recovered worms was highest for N. brasiliensis (21,623 worms; mean 20.4 worms/infected specimen) followed by S. obvelata (9,235; 25.0 worms), H. polygyrus (4,122; 6.7 worms), and H. spumosa (1,160; 3.7 worms). A. agrarius demonstrated the highest prevalence for N. brasiliensis (70.9%), followed by M. minutus (50.0%), T. triton (33.3%), M. fortis (28.1%), M. musculus (15.6%), C. lasiura (13.2%), and M. regulus (0%). This is the first report of nematode infections in small mammals captured near the DMZ in ROK.

Keywords

References

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