[Seroepidemiological Survery of ovine toxoplasmosis in mazenderan province, Iran]

ABSTRACT

A survey study has been conducted in three zones of Mazenderan province for eighteen months in 1992-93 the aim of study was to determine the seroprevalence of toxoplasmosis on sheep flocks and to detect the relationship between the toxoplasmosis prevalence and the epidemiological factors. Total 983 sera from sheep in three zones of Mazenderan province were collected and tested for antibody against. Toxoplasma gondii by direct agglutination [DA] test. The results suggested that, the prevalence of toxoplasmosis in zone 1.2, and 3 were 64.35, 54.59% and 49.05% respectively. This study showed as animal get older, the rate of infection gradually increases this means that maximum rate of prevalence occurs in age group of more than five year amounted to 68%. Toxoplasmosis prevalence in females was 58.39% whereas in males was 53.24%. This study also revealed that the seasonal prevalence of toxopiasrnosis in winter was higher, neverheless, influence of host breed was not distinct effect on susceptibility of sheep to the parasite