Rodents Helminth Parasites in Different Region of Iran
Background: Climate condition is expected to have significant in rodents’ diversity and in the seasonal pattern of diseases carried by different rodents. In an effort to aid in the study of the biodiversity of parasites of rodents in different climate zoon we examined climate patterns in the parasite assemblages of different rodents from Mar 2015 to Feb 2016.
Methods: Of 253 captured rodents in three climate zone of Iran, thirteen species of rodents were recognized. Rodents included Mus musculus, Microtus, Apodemus witherbyi, Calomyscus elburzensis, Meriones libycus, Tatera indica, Alactaga elater, and Arvicola amphibius. Trapped rodents humanely sacrificed and the gastrointestinal and respiratory tracts were removed and examined to identify parasitic helminths. Parasites were identified using key morphological characteristics.
Results: Of 253 rodents examined, 109 (43.08%) were positive for helminth infection including Syphacia obvelata (20.1%), Aspicularis tetraptera (9.9%), Trichuris muris (0.3%), Capillaria sp. (0.3%), Physaloptera sp. (0.7%), Gongylonema sp. (1.1%), Nippostrongylus brasiliensis (6.7%) Heligmosomoides polygyrus (4.3%) Hymenolepis diminuta (3.1%), H. nana (0.8%), Cysticercus fasciolaris, (2.7%), Mesocestoides sp. larva (0.3%) and Moniliformis moniliformis (0.3%). Notocotylus neyrai was the only species of Trematoda isolated from water vole (Arvicola amphibius) for the first time in Iran.Conclusion: Some rodents are omnivorous, showing high predisposition to helminths parasites consequently, they harbor some species of parasites which are potentially zoonotic or may serve as vectors of important zoonotic pathogens. Therefore, the potential health hazard of these species needs to be considered to prevent infectivity of humans.
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