Prevalence and diagnostic test comparison of brucellosis in cattle in Pabna and Mymensingh Districts of Bangladesh

Present study was undertaken to determine the seroprevalence of brucellosis in cattle of pabna and mymensingh districts in bangladesh. a total of 260 cattle sera samples were collected from pabna and mymensingh districts. the epidemiological data were collected by structured questionnaire. rbt and sat were used as screening tests and further confirmed by i-elisa. the seroprevalence of brucella in cattle was estimated to be 4.23%,3.07% and 2.31% by rbt,sat and i-elisa,respectively. the comparison of the serological tests result revealed the highest prevalence in rbt than sat and i-elisa. the prevalence of brucella was 2.5% in pabna and 2.14% in mymensingh. it was observed that,a higher prevalence of brucella was found in female (2.67%) than in male (1.82%),natural breeding (2.67%) than artificial breeding (1.81%),in aged animals (3.33%) than young (1.25%). but these differences were not statistically significant. there exists significant difference between prevalence of brucella in cattle with history of abortion than without history of abortion (p value=0.013).