serological survey of antibodies to toxoplasma gondii in sheep in north-west of iran

objective: sera from 186 sheep (93 rams and 93ewes) from tabriz, north-west of iran were evaluated for antibodies to toxoplasma gondii using a commercial elisa kit. methods: the animals were divided into two age groups (< 2 years, and > 2 years). results: antibodies to t. gondii were found in 13 of 186 sheep (6.98%). infection rate in ewes was higher than rams but this difference was not significant. the seroprevalence of toxoplasma in sheep >2 years old was significantly higher than in other age groups. conclusions: results of this study indicate a low prevalence of t. gondii in sheep tested in tabriz by elisa.