The study was designed to evaluate the immune response of puppies. injected by different protein fractions extracted from protoscolieces. obtained from ovine hydatid cyst. Indirect heamagglutination revealed a remarkable increase in the antibody titers for the immunized groups (A1. https://thebookmarkid.com/story19600094/nous-venons-en-paix-l-immigration-dans-les-films-de-science-fiction-apr%C3%A8s-la-guerre-froide