| [prevalence of toxoplasma gondii infection in tunisian sheep]. | the aim of this study is to estimate the prevalence of toxoplasma gondii infection in 527 sheep from 4 governorates of tunisia by elisa (350 animals) and pcr (177 animals). the seroprevalence in sheep was estimated to be 1.8% (n = 166) in the governorate of siliana (north tunisia) and 19% (n = 184) in the governorate of kasserine (central tunisia) with a commercial elisa kit. t. gondii dna was extracted from the apex of the heart in 25.5% (n = 106) of sheep from the sidi-bouzid governorate (cent ... | 2013 | 23702585 |