EN
To investigate the prevalence of Neospora canimim antibodies in water buffalo (Bubalus bubalis) in the north-western region of Iran, blood samples were taken from 181 (141 females and 40 males) buffaloes slaughtered in an abattoir in Ahvaz. Sera were tested for the presence of antibodies to N. canimim by an ELISA kit. The overall prevalence of Neospora canimim infection in the buffaloes tested was 37% (43.36% in females and 15% in males). Statistical analysis showed significant differences between male and female buffaloes. In female buffaloes, 7.7% of heifers and 56.8% of cows were seropositive. Statistical analysis showed the differences among female buffaloes were highly significant when their age is considered, and buffalo cows showed higher N. caninum prevalence when compared with heifers. With regard to the results of this study, high exposure of water buffaloes to N. canimim, and economical importance of buffalo industry to some regions of Iran, the role of N. canimim as a causal agent of abortions in this species should be investigated.