Study on prevalence of bovine viral diarrhoea virus (BVDV) antibodies in 29 Italian dairy herds with reproductive problems
Articolo
Data di Pubblicazione:
1999
Citazione:
Study on prevalence of bovine viral diarrhoea virus (BVDV) antibodies in 29 Italian dairy herds with reproductive problems / C. Luzzago, R. Piccinini, A. Zepponi, A. Zecconi. - In: VETERINARY MICROBIOLOGY. - ISSN 0378-1135. - 64:2-3(1999 Jan), pp. 247-252. ((Intervento presentato al convegno European Symposium on Control of BVD-virus Infection in Cattle tenutosi a Lillehammer nel 1997.
Abstract:
An epidemiological survey on prevalence distribution of antibodies to BVDV was carried out in dairy cattle herds during 1995-1996 in northern Italy. A total of 704 serum samples from 29 non-vaccinated herds reported to have reproductive problems were tested for serum neutralising antibodies. In each herd, sampling was based on the stratification by age into five classes (< 6 months old calves, 6-12 months old calves, pregnant heifers, uniparous, pluriparous). Overall, 53.3% of samples were serologically positive, with the lowest ratio in 6-12 months old calves (37.9%) and the highest in pluriparous cows (71.2%).
Tipologia IRIS:
01 - Articolo su periodico
Keywords:
bovine viral diarrhoea virus; Italy; epidemiology; prevalence
Elenco autori:
C. Luzzago, R. Piccinini, A. Zepponi, A. Zecconi
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