Tehran University of Medical Sciences Iranian Journal of Parasitology 1735-7020 12 2 2017 06 13 267 273 Kourosh ARZAMANI Vector-Borne Diseases Research Center, North Khorasan University of Medical Sciences, Bojnurd, Iran Mitra SALEHI Dept. of Medical Parasitology , Faculty of Medicine, Gonabad University of Medical Sciences, Gonabad, Iran Iraj MOBEDI Dept. of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran Amir ADINEZADE Dept. of Medical Parasitology , Faculty of Medicine, Gonabad University of Medical Sciences, Gonabad, Iran Hamid HASANPOUR Dept. of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran Mohammad ALAVINIA Vector-Borne Diseases Research Center, North Khorasan University of Medical Sciences, Bojnurd, Iran Jamshid DARVISH Dept. of Biology, Faculty of Sciences, Ferdowsi University of Mashhad, Mashhad, Iran AND Rodentology Research Department (RRD), Applied Animal Institute (AAI), Ferdowsi University of Mashhad, Mashhad, Iran Mohammad Reza SHIRZADI Zoonoses Control Department, Ministry of Health, Tehran, Iran Zeinolabedin MOHAMMADI Dept. of Biology, Faculty of Sciences, Ferdowsi University of Mashhad, Mashhad, Iran 2017 06 12 2017 06 12 Background: Rodents are an important source of zoonotic diseases for human. The aim of this study was to determine the infectivity of rodents with intestinal helminths in North Khorasan Province, Iran. Methods: One hundred and thirteen rodents were collected using different collection methods such as kill and live traps, digging of their burrow, filling of their hiding places with water and hand net during 2011-2013. Their alimentary canals were removed in the laboratory and helminths were determined in the department of parasitology, Tehran University of Medical Sciences. Results: Thirteen species of helminths parasites were found in 13 species of rodents, including Aspiculuris tetraptera, Hymenolepis diminuta, Nippostrongylus brasiliensis, Protospirura Seurat, Rictolaria ratti, Skrjabinitaenia lobata, Streptopharagus kuntzi, Syphacia obvelata, Taenia taeniaeformis, Trichuris muris, Cysticercus fasciolaris, Acanthocephal. spp and Trichuris spp. Some of them were reported for the first time in new host in Iran. S. obvelata and A. tetraptera were the most frequent parasites and P. Seurat, R. ratti and C. fasciolaris were found only in one rodent. Conclusion: This is the first study to investigate the intestinal parasites in rodents in this area. Among different species identified, some of helminths were reported in new host. https://ijpa.tums.ac.ir/index.php/ijpa/article/view/1633 https://ijpa.tums.ac.ir/index.php/ijpa/article/download/1633/739