Abstract
Serological investigations were carried out to determine the prevalence of pestiviral infections in goats in Austria, and to investigate the possible relations to herd management practices. The prevalence of antibodies to pestiviruses was investigated in 549 goats in 80 flocks from four regions of Austria. The examination for antibodies was performed using an indirect enzyme-linked immunosorbent assay detecting antibodies to the border disease virus (BDV) and bovine viral diarrhoea virus (BVDV). The observed individual prevalence was 11.5% and the flock prevalence was 31.3%. Comparative neutralization studies on the 63 seropositive samples with BVDV-1, BVDV-2 and the BDV yielded in 32 samples higher titres (> or =4-fold) to BVDV-1 and in two samples to BDV. The remaining samples did not show distinct differences in antibody titres against the pestivirus strains tested because of the cross-reactions. There was a significant (P < 0.05) association between the prevalence of antibodies to pestiviruses and the presence of cattle on the farm. Significant (P < 0.05) geographical variations in individual prevalence were obtained, ranging from 3.5% in lower Austria to 20.2% in Vorarlberg.
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