Seroprevalence and characterization of pestivirus infections in small ruminants and new world camelids in Switzerland

Danuser, R.; Vogt, H.R.; Kaufmann, T.; Peterhans, E.; Zanoni, R. (2009). Seroprevalence and characterization of pestivirus infections in small ruminants and new world camelids in Switzerland. Schweizer Archiv für Tierheilkunde, 151(3), pp. 109-17. Bern: Huber 10.1024/0036-7281.151.3.109

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The seroprevalence of pestivirus infections in small ruminants and new world camelids in Switzerland was determined. In 5'059 sera of sheep from 382 herds, 503 sera of goats from 54 herds and 109 sera of alpacas and lamas from 53 herds, population prevalences of 16.1% (sheep), 25.4% (goats) and 4.6% (new world camelids), respectively, were found. In order to determine the source of infection, the serological reactions were further characterized by cross-neutralization against two pestiviruses representing the genotypes BVDV (Bovine Virus Diarrhea Virus)-1 and BDV (Border Disease Virus)-1. Based on the ratio of respective antibody titres, 56.1% of the infections in sheep were induced by a BDV-1, 12.9% by a BVDV-1 and 31.0% by an unresolved pestivirus. In goats, the corresponding proportions were 23.4%, 10.2% and 66.4%, respectively. In Alpacas and Lamas, the source of infection of 1 animal was BDV-1 and that of 4 seropositive animals remained unresolved. In view of the phylogenetic relationship between pestiviruses, the unresolved source of infection is most probably attributable to other pestivirus genotypes circulating in small ruminants and new world camelids. Due to the predominance of pestiviral genotypes other than BVDV-1, the risk of transmission of BVDV from persistently infected small ruminants and new world camelids to cattle appears to be moderate, apart from close direct contact in mixed animal husbandry, communal pasturing and grazing in the Alps.

Item Type:

Journal Article (Original Article)

Division/Institute:

05 Veterinary Medicine > Department of Infectious Diseases and Pathobiology (DIP) > Institute of Virology and Immunology
05 Veterinary Medicine > Department of Clinical Veterinary Medicine (DKV) > Clinic for Ruminants

UniBE Contributor:

Vogt, Hans-Rudolf; Kaufmann, Thomas; Peterhans, Ernst and Zanoni, Reto Giacomo

ISSN:

0036-7281

Publisher:

Huber

Language:

English

Submitter:

Factscience Import

Date Deposited:

04 Oct 2013 15:25

Last Modified:

21 Jan 2014 15:05

Publisher DOI:

10.1024/0036-7281.151.3.109

Web of Science ID:

000264355400002

URI:

https://boris.unibe.ch/id/eprint/38308 (FactScience: 220974)

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