Bovine brucellosis is an infsease of economic importance by causing abortions and infertility .Bovine brucellosis is considered azoonosis information on the extent of bovine brucellosis . however, is scarce for the expanding intra- and peri- urban dairy enterprise in Ethiopia .the purpose of this study was to investigate the status of bovine brucellosis and its impact on reproduction in some intra and peri – urban dairy production systems in Ethiopia across- sectional investigation of bovine brucellosis was carried out from june to October 1997 on 42 dairy farms located in debre zeit ,kaliti, Sebeta .and Addis Ababa