| Summary: | Objective: Rodents as reservoirs of many common human diseases (zoonoses) are the cause of health and economic problems in society. Because of the prevalence of parasitic infections of mice in different parts of Iran, this study was performed to investigate the gastrointestinal and blood parasitic zoonoses of rodents in Tabriz, Iran, between 2011 and 2012. Materials and Methods: A total of 57 rodents including 36 Rattus norvegicus, 11 Rattus rattus, 8 Mus musculus, and 2 unknown species of rodents were captured alive from different parts of Tabriz city and studied. The rodents were examined for helminth and blood infection. Results: Helminth and blood infection were only observed in Rattus norvegicus and Rattus rattus species and other species were not contaminated. There was no blood parasite in rodents. Different gastrointestinal worm species identified in Rattus norvegicus consisted of Trichosomoides crassicauda (51.2%), Hymenolepis diminuta (22.3%), Gongylonema pulchrum (12.1%), Hymenolepis Nana (4.31%) and Trichocephal Spp. (2.18%). Different gastrointestinal worm species identified in Rattus rattus consisted of Gongylonema pulchrum (21.17%), and Trichosomoides crassicauda (28.24%). Conclusion: Due to the presence of zoonotic parasitic agents in the studied rodents that easily enter human dwellings, controlling these animals and improvement of the sewerage system of the study area are of particular importance.
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