| seroprevalence of bluetongue virus antibodies in sheep and goats in kerala state, india. | the results presented here record the first confirmation of bluetongue virus (btv) antibody in sheep and goats in kerala state. a total of 1,010 sera collected from the 14 districts within the state were screened for the presence of group-specific btv antibodies by dot enzyme-linked immunosorbent assay (dot elisa). positive samples were obtained from 12 of the 14 districts. the overall btv antibody prevalence was 5.1 +/- 1.9% (at 95% confidence level) although the prevalence levels were consiste ... | 2005 | 16642765 |