University of Tehran Press Journal of Veterinary Research 2008-2525 62 2 2007 10 23 - - 18651 FA Journal Article Abstract: Immunogenicity of Echinococcus granulosus different antigens for determination of suitabhe antigen for production of hydatid cyst vaccine compared.Data analysis by one way Cocran and student-test was showed significant difference in optical density between the groups were injected with antigens and the control groups. The most optical density is in the groups were injected by mix of oncosphere and protoscolex and the lowest is in the groups were injected by protoscolex (p Abstract: Immunogenicity of Echinococcus granulosus different antigens for determination of suitabhe antigen for production of hydatid cyst vaccine compared.Data analysis by one way Cocran and student-test was showed significant difference in optical density between the groups were injected with antigens and the control groups. The most optical density is in the groups were injected by mix of oncosphere and protoscolex and the lowest is in the groups were injected by protoscolex (p https://jvr.ut.ac.ir/article_18651_aa9fb775b71bb8fffdc3962bccab7cb0.pdf