Tehran University of Medical Sciences Iranian Journal of Parasitology 1735-7020 8 2 2013 06 15 Survey of Migratory Birds (Anatidae: Anas platyrhynchos) for Schistosome Parasites from Mazandaran Province, Northern Iran 333 336 EN Sa Mahdavi Dept. of Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran AND Prevention and Control of Disease Center, Mazandaran University of Medical Sciences, Sari, Iran. A Farahnak Dept. of Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran I Mobedi Dept. of Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran Mb Molaei Rad Dept. of Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran H Azadeh Prevention and Control of Disease Center, Mazandaran University of Medical Sciences, Sari, Iran 2015 10 14 Background: The aim of the present study was to survey birds' schistosomes in migratory birds(Anatidae: Anas platyrhynchos) which are the source of the disease in Mazandaran Province, Northern Iran. Methods: A number of mallards were bought from the markets of hunted birds. The respiratory tracts (nasal mucosa) and intestinal blood vessels were studied for adult worms. The nasal mucosa was separated and observed by a microscope. In order to separate the visceral schistosomes, after separating intestine, vessel mesenteric was studied under the lamp light and then in saline. The parasite sample was collected for subsequent observation. Results: Fifteen (13.6%) cases out of 110 studied birds had nasal mucosa contaminated with Trichobilharzia sp. egg. Besides that, two birds had adult worms schistosome visceral i.e. Bilharziella sp. Conclusion: The elements that cause cercarial dermatitis in aforementioned region are Trichobilharzia sp. and Bilharziella sp. parasites. Thus, it is necessary for the authorities of health, environmental and agricultural organization of the province to cooperate in order to control this disease. https://ijpa.tums.ac.ir/index.php/ijpa/article/view/487 https://ijpa.tums.ac.ir/index.php/ijpa/article/download/487/457