Intestinal nematodes from small mammals captured near the demilitarized zone, Gyeonggi Province, Republic Of Korea

Deok Gyu Kim, Jae Hwan Park, Jae Lip Kim, Bong Kwang Jung, Sarah Jiyoun Jeon, Hyemi Lim, Mi Youn Lee, Eun Hee Shin, Terry A. Klein, Heung Chul Kim, Sung Tae Chong, Jin Won Song, Luck Ju Baek, Jong Yil Chai

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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.

Original languageEnglish
Pages (from-to)135-139
Number of pages5
JournalKorean Journal of Parasitology
Volume53
Issue number1
DOIs
Publication statusPublished - 2015 Feb 1

Keywords

  • Capillaria spp
  • Demilitarized zone
  • Gyeonggi-do (Province)
  • Heligmosomoides polygyrus
  • Heterakis spumosa
  • Insectivore
  • Nematode
  • Nippostrongylus brasiliensis
  • Protospirura muris
  • Rictularia affinis
  • Rodent
  • Syphacia obvelata
  • Trichuris muris

ASJC Scopus subject areas

  • Parasitology
  • Infectious Diseases

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    Kim, D. G., Park, J. H., Kim, J. L., Jung, B. K., Jeon, S. J., Lim, H., Lee, M. Y., Shin, E. H., Klein, T. A., Kim, H. C., Chong, S. T., Song, J. W., Baek, L. J., & Chai, J. Y. (2015). Intestinal nematodes from small mammals captured near the demilitarized zone, Gyeonggi Province, Republic Of Korea. Korean Journal of Parasitology, 53(1), 135-139. https://doi.org/10.3347/kjp.2015.53.1.135