Sarcocystis gigantea,S.ovicanis and S.arieticanis from sheep have been identified by the ultrastructure of cysts under transmission electran microscope.

• 利用电镜下包囊的超微结构从绵羊鉴别出3种住肉孢子虫，它们是巨型住肉孢子虫、绵羊犬住肉孢子虫、羯犬住肉孢子虫。