Intestinal Helminths in Laboratory Mice and Rats in Four Research Centers, Tehran, Iran

Publish Year: 1393
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:

JR_JMMI-2-4_001

تاریخ نمایه سازی: 29 بهمن 1402

Abstract:

Introduction: There is not much data on parasitic infections of laboratory animals that are kept in conventional conditions in Iran. The present study was designed to investigate intestinal helminths infections in laboratory colonies of rats and mice. Methods: Droppings from ۱۱۰ mice and ۱۱۰ rats (each animal one dropping) belonging to experimental and breeding groups in four animal houses were collected. Experimental groups were being used in biomedical researches and breeding groups were not under any experiment. The droppings were preserved in formaldehyde ۱۰% individually and examined by microscopy with ۱۰x magnification. Results: Out of ۲۲۰ droppings examined, ۹۶ (۴۳.۶%) harbored helminths eggs; ۵۳ (۴۸.۱%) belonged to mice and ۴۳ (۳۹.۰۹%) to rats. Four helminthes species including, Syphacia obvelata, Syphasia muris, Hymenolepis nana, and Hetrakis spumosa were identified in the both animals, while Aspicularis tetraptera was merely seen in mice. H. nana was the most frequent helminth infection in mice and rats and infection with H. spumosa and A. tetraptera, showed the lowest rates in droppings of mice and rats, respectively. Mixed infections with ≥ two species was observed in ۲۱ (۹.۵%) of ۲۲۰ droppings, ۱۴ (۱۲.۷%) belonged to mice and ۷ (۶.۳%) to rats. Conclusion: The present results emphasizes more careful monitoring in laboratory animal houses, such as improving the cleaning and ventilating systems as well as adopting therapeutic measures, when required.

Authors

Faezeh Najafi

Department of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Science, Tehran, Iran

Sasan Rezaie

Department of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Science, Tehran, Iran

Eshratbeigom Kia

Department of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Science, Tehran, Iran

Iraj Mobedi

Department of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Science, Tehran, Iran

Mahmood Mahmodi

Department of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Science, Tehran, Iran

Mahboobeh Salimi

Department of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Science, Tehran, Iran

Hamid Hasanpour

Department of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Science, Tehran, Iran

Mahsasadat Makki

Department of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Science, Tehran, Iran

Gholamreza Mowlavi

Department of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Science, Tehran, Iran

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