Background: is one the most important zoonotic disease which is endemic in worldwide. Molecular method has allowed discrimination of different genotypes (G1-G10), providing new approach in development of prevention and control program of hydatid cyst. This study was conducted to identify the genotypes of from domestic animals in nine districts of North Khorasan Province using the mitochondrial cox1 gene sequence.
View Article and Find Full Text PDFAvian influenza is a highly contagious respiratory disease of poultry caused by influenza A viruses, family Orthomyxoviridae. H9N2 avian influenza outbreaks are a major problem of the poultry industry in Iran. To determine the genetic differences between field viruses and the vaccine strain, the genomes of four strains isolated in 2011 from vaccinated broiler flocks with a history of respiratory illness were sequenced.
View Article and Find Full Text PDFBackground: The objective of the present study was to survey the presence of Sarcocystis in sheep's brain in North Khorasan Province.
Methods: In general, 80 samples of sheep's brain were collected from slaughtered sheep in slaughterhouses of North Khorasan Province. Tissue digestion method was used for observing bradyzoites in tissues.
Sarcocystis is an obligatory intracellular protozoan parasite which can infect humans and animals. Sheep are intermediate hosts of four Sarcocystis species: Sarcocystis tenella, Sarcocystis gigantea, Sarcocystis arieticanis, and Sarcocystis medusiformis The purpose of this study was to perform a molecular identification of the macroscopic and microscopic cysts of Sarcocystis in sheep. In this investigation, the macroscopic and microscopic cysts of Sarcocystis were assessed in slaughtered sheep.
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