Diversity of gastrointestinal Helminths in murid rodents from Northern and Northeastern Thailand

Chaisiri Kittipong, Chaeychomsri Win, Siruntawineti Jindawan, Ribas Alexis, Herbreteau Vincent, Morand Serge. 2012. Diversity of gastrointestinal Helminths in murid rodents from Northern and Northeastern Thailand. Southeast Asian Journal of Tropical Medicine and Public Health, 43 (1) : 21-28.

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Quartile : Q4, Sujet : TROPICAL MEDICINE / Quartile : Q4, Sujet : PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH (Science) / Quartile : Q4, Sujet : INFECTIOUS DISEASES

Résumé : The presence of gastrointestinal helminths (GI helminths) was investigated among 725 murid rodents, trapped in various habitats of Nan, Loei and Buri Ram Provinces, Thailand. The study revealed 17 species of rodents infected with 21 species or taxonomic groups of parasites (3 trematodes, 3 cestodes, 14 nematodes and 1 acanthocephalan). The overall prevalence of infection was 57.7% (418/725). Of the gastrointestinal (GI) helminths, the dominant parasitic group was members of the family Trichostrongylidae (24.3%), followed by the cestodes Raillietina sp (17.1%) and Hymenolepis diminuta (8.6%) and the nematode Syphacia muris (8.6%). The GI helminthic infection rates were highest in Mus caroli (81.8%), Mus cervicolor (76.5%), Leopoldamys edwardsi (75.0%), Bandicota indica (71.5%) and Bandicota savilei (71.4%). Highest rodent species richness (RSR) and helminth species richness (HSR) rates were found in Loei, followed by Nan and Buri Ram. The helminth prevalence rate was higher in rodents from Nan, followed by rodents from Loei and Buri Ram. Rodents from irrigated fields had the highest infection rates followed by rodents from upland or dry agricultural areas, forests and domestic habitats. Raillietina sp, Rodentolepis nana (syn. Hymenolepis nana), Hymenol-epis diminuta, Moniliformis moniliformis and Cyclodontostomum purvisi, considered zoonotic parasites, were mainly found in rodents from domestic habitats and lowland irrigated fields.

Mots-clés Agrovoc : Helminthe, helminthiase, identification, taxonomie, rongeur, habitat, Trichostrongylidae, Cestoda, Raillietina, Hymenolepis diminuta, Nematoda, Syphacia, appareil digestif, surveillance, parasitose, zone humide, culture irriguée