EN
Cystic echinococcosis is one of the serious disease that affecting humans and this domesticated animals. In vitro, the bioactivity of the apricot, Prunus armeniaca seed extract on the vitality of the larval stage (protoscolices) of Echinococcus granulosus of sheep origin had been investigated. The protoscolices were significantly affected by applying concentrations of 50, 100, 150 and 200 mg.ml -1. The concentration 200 mg.ml-1 caused 100% mortality within 15 minutes. The vitality inhibition was proportioned to extract concentration and time exposure.