Detection of bovine respiratory syncytial virus infections in young dairy and beef cattle in Poland
2015
Urban-Chmiel, Renata | Wernicki, Andrzej | Puchalski, Andrzej | Dec, Marta | Stęgierska, Diana | Grooms, Dan | Barbu, Nicolas I.
Background: Bovine respiratory syncytial virus (BRSV) is a major contributor to bovine respiratory disease complex in dairy and beef calves, especially during the first year of life. There is a lack of comprehensive information about the prevalence of infection in cattle herds in Poland as well as in European countries outside the European Union. Objective: The aim of this study was to estimate the prevalence of BRSV infections in young beef and dairy cattle in southeastern Poland, a region that has direct contact with non-EU countries. Animals & methods: Nasal swabs and sera (n = 120) were obtained from young cattle aged 6–12 months from 45 farms in eastern and southeastern Poland. BRSV antigen detection in the nasal swabs was carried out using a rapid immunomigration assay used in diagnosing human respiratory syncytial virus (hRSV) infections in humans, while antibodies to BRSV were detected in the sera by ELISA antibody detection. Results: The study confirmed the presence of BRSV infections in young cattle under 12 months of age from both dairy and beef herds. BRSV was detected in 27 of the 45 herds (60%) sampled. Conclusions: Findings from this study indicate a high prevalence of BRSV infections in cattle in Poland, which may have a significant influence on health status and animal performance. The prevalence of infection is similar to that in other parts of Poland and other countries in Europe. Development of strategies to reduce BRSV infections is needed to improve health and productivity.
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