Iranian Journal of Parasitology 2012. 7(3):64-72.

Detection and Identification of Toxoplasma gondii Type One Infection in Sheep Aborted Fetuses in Qazvin Province of Iran
GR Habibi, AR Imani, MR Gholami, MH Hablolvarid, AM Behroozikhah, M Lotfi, M Kamalzade, E Najjar, K Esmaeil-Nia, S Bozorgi

Abstract


Background: The aim of this study was to apply the nested-PCR and bioassay methods in detection and genotyping of Toxoplasma gondii infection in provided sheep aborted fetus samples from Qazvin Province of Iran.

Methods: Eighteen sheep aborted fetal samples were studied by nested-PCR-RFLP, histopathologi­cal observation and microbiological assay. Bioassay in mice was carried out by inoculating the brain samples intraperitoneally.

Results: The results demonstrated the frequency of 66% infected sheep aborted fetal samples with T. gondii type one. Although we could not isolate any parasite from inoculated mice even after three pas­sages, but it was confirmed histopathologically formation of cyst like bodies in prepared mice brain sections.

Conclusion: The results of the performed nested-PCR and formation of brain cyst in inoculated mice exhibited that T. gondii type one infection might be considered as one of the major causative agents for abortion in ewes.


Keywords


Toxoplasma gondii; Sheep abortion; Fetus; PCR; Bioassay; Genotyping

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