| seroprevalence of brucellosis in yaks (poephagus grunniens) in india and evaluation of protective immunity to s19 vaccine. | the present study was carried out to explore the seroprevalence of brucellosis in yaks of north-eastern hilly yak tracts of arunachal pradesh, india. of 374 animals tested, 23.79, 21.11 and 18.98% were found positive for brucellosis using avidin-biotin elisa (ab-elisa), rose-bengal plate test (rbpt) and standard tube-agglutination test (stat), respectively. the relative sensitivity and specificity for stat were 79.77 and 100%, respectively and the same for rbpt were 88.76 and 100%, respectively ... | 2009 | 18763048 |