| detection of antibodies against babesia bovis and babesia bigemina in calves from the region of araguaína, state of tocantins, brazil. | the aim of this study was to determine the seroprevalence of antibodies against b. bovis and b. bigemina in calves from the region of araguaína, state of tocantins, brazil. in this research we used sera obtained from 506 calves, from both genders and of 8 to 24 months old, to detect antibodies by indirect enzyme-linked immunosorbent assay (elisa-test). statistical analysis of the data was performed using the chi-square (χ²) test with yates correction. the seroprevalence obtained was 90.5 and 91. ... | 2010 | 20943021 |