Zerihun, Ademe (PhD)Gulima, Darsema2021-10-252023-11-082021-10-252023-11-082005-06http://etd.aau.edu.et/handle/123456789/28302A serocepidemiological Survey of bluetongue virus was conducted Wilh the objectives of Determining the di stnbution and seroprevalence of bluetongue and putative risk factors Associated with seroposilivity in indigenous Ethiopian "heep in Amhara National Regional State.northern Ethiopia competive enzyme-linked immunosorben assay and Relevant information using a standard questionnaire format were used in the study 860 serum samples were collected from indigenous heep: and 45 livestock owners were interviewed. The study was undertaken in three agroecological zones including lowland middle alutude and highland.en-USVeterinary MadicineThesis