fertility and viability rates of hydatid cysts in slaughtered animals in the mazandaran province, northern iran.the aim of this study was to determine the fertility and viability of hydatid cysts in slaughtered sheep and cattle. cysts were collected from the liver and lungs of 169 sheep and 171 cattle infected with echinococcus granulosus when slaughtered in industrial abattoir in sari, iran, 2007-2008. fertility was determined by the examination of cyst fluid for the presence of protoscoleces. the viability of the protoscoleces was assessed by staining with 0.1% aqueous eosin solution. the fertility rate ...200919455399
rostellar hook morphology of larval echinococcus granulosus isolates from the indian buffalo and iranian sheep, cattle and camel.isolates of echinococcus granulosus from the indian buffalo and iranian sheep, cattle and camels were characterized on the basis of rostellar hook morphology of the protoscolices. results obtained indicated phenotypic polymorphism among parasites isolated from different host species. isolates from buffalo are morphologically quite different from those of the more common sheep and cattle isolates and may represent a different strain, adapted to buffalo. in the sari region of northern iran, two mo ...201020815974
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