Faculty of Veterinary Medicine, Urmia University Veterinary Research Forum 2008-8140 1 3 2010 12 01 A Retrospective Survey of Fasciolosis and Dicrocoeliosis in Slaughtered Animals in Meisam Abattoir, Tehran, Iran (2005-2008) 174 178 1517 EN Ali Khanjari Department of Food Hygiene and Quality Control, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran Razieh Partovi Department of Food Hygiene and Quality Control, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran Sepideh Abbaszadeh Department of Food Hygiene and Quality Control, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran Ghazal Nemati Department of Food Hygiene and Quality Control, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran Alireza Bahonar Department of Food Hygiene and Quality Control, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran Ali Misaghi Department of Food Hygiene and Quality Control, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran Afshin Akhondzadeh-Basti Department of Food Hygiene and Quality Control, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran Ahmad Alizadeh-Ilanjegh Veterinary Organization of Tehran Province, Iran Afshin Motaghifar Veterinary Organization of Tehran Province, Iran Journal Article 2012 12 26 Fasciolosis and dicrocoeliosis are endemic parasitic diseases in Middle East especially Iran, which making significant economic problems. This retrospective survey has been done to evaluate contamination rate of slaughtered animals with fasciolosis and dicrocoeliosis at Meisam abattoir, in Tehran, Iran. In this survey, prevalence rate of fasciolosis and dicrocoeliosis in slaughtered animals in a three-year period (2005-2008) has been analyzed. The prevalence rates of fasciolosis and dicrocoeliosis in cattle were 2.20 % and 2.5 %, and the rates in sheep were 2.01 % and 5.83 %, respectively. The average annual direct economic loss incurred as a result of condemnation of ovine and bovine infected livers due to fasciolosis and dicrocoeliosis were estimated as high as 227,907 USD. The results of current survey revealed the rate of dicrocoeliosis is higher than fasciolosis. Our work proved that the highest frequency rate of the fasciolosis and dicrocoeliosis in cattle was in summer and spring, respectively. Whereas winter and autumn had the highest prevalence rate of fasciolosis and dicrocoeliosis in sheep. https://vrf.iranjournals.ir/article_1517_81c8727c62e800be708dbf37c4695dff.pdf