Abstract
The present study was designed to assess the importance of ovine neosporosis in abortion of Iraninan sheep. Seventy aborted foetuses and dams from ovine dairy farms in northwest of Iran were analyzed to investigate the role of Neospora caninum (N. caninum) in ovine abortion. Diagnosis of the infection was determined by serology and polymerase chain reaction (PCR). A total of 70 aborted dairy ovine were blood sampled and used to evaluate serological status for N. caninum infection by enzyme-linked immunosorbent assay (ELISA) and extracted DNA from the same aborted foetuses were subjected to PCR. Data were compared using Kruscal-Wallis test. From A total of the 70 sheeps, four (5.7%) of the dams were seropositive. DNA from aborted foetuses was extracted primarily from placenta and CNS tissues. Extracted DNA from foetuses were analyzed using PCR with primers Np21(+) and Np6(+). Out of the 70 ovine fetuses 8.5% were considered to be infected by PCR. This study confirms the importance of N. caninum as an important cause of ovine abortion in northwest of Iran.
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