Seroepidemiological Investigation of Bovine Brucellosis in the Extensive Cattle Production System of Tigray Region of Ethiopia

A cross-sectional epidemiological study was carried out from September 2004 to March 2005 to determine the seroprevalence and identify risk factors for seropositivity of bovine brucellosis in the extensive cattle production systems of Tigray Region. The study populations comprised indigenous breed cattle in the region, and samples were selected by 2-stage… (More)