The changes to structure of the populations fasciol in organism of the large horned live-stock in miscellaneous time year
Fasciola gigantica parasitizes in the cattle liver in West Kazakhstan region. All the year, animals are infested with imaginal forms of helminths. According to scatoscopy data, extensiveness of invasion in average is 19,3 %. The activity of animals' invasion, according to helminthologic autopsy data in average is 30,8±5,7 specimen/head