Serological survey of bluetongue virus serotype-8 infection in South American camelids in Switzerland (2007-2008)

Zanolari, Patrik; Chaignat, V.; Kaufmann, C.; Mudry, Marie; Griot, C.; Thuer, B.; Meylan, Mireille (2010). Serological survey of bluetongue virus serotype-8 infection in South American camelids in Switzerland (2007-2008). Journal of veterinary internal medicine, 24(2), pp. 426-30. Oxford: Wiley-Blackwell 10.1111/j.1939-1676.2009.0464.x

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BACKGROUND: Outbreak of bluetongue virus serotype-8 (BTV-8) infection in domestic ruminants in Northern Europe. OBJECTIVE: To investigate the South American camelids' (SAC) susceptibility to BTV-8 infection, their role in the epidemiology of the disease, and the use of currently available serological screening tests in SAC in an endemic region. ANIMALS: Three hundred and fifty-four unvaccinated and 27 vaccinated SAC (170 llamas, 201 alpacas), ranging in age from 1 month to 17 years between June and August 2008. The SAC originated from 44 herds throughout the country, representing 10% of the Swiss SAC population. METHODS: Prospective, observational study of a convenience sample of SAC. Serum samples were analyzed with 2 serological screening tests. When results diverged, a 3rd ELISA was carried out for confirmation (ID Screen Bluetongue Competition ELISA kit). RESULTS: All sera from the 354 unvaccinated animals were negative in the endemic region. Reliable seroconversion was observed after administration of 2 doses of vaccine. CONCLUSIONS AND CLINICAL IMPORTANCE: This study suggests a low susceptibility of SAC to BTV-8 despite the presence of the virus in the cattle and small ruminant population, indicating that SAC do not play a major role in the epidemiology of BTV-8. Furthermore, these results indicate that commercially available serological tests for BTV-8 can be used in SAC.

Item Type:

Journal Article (Original Article)


05 Veterinary Medicine > Department of Clinical Veterinary Medicine (DKV) > Clinic for Ruminants

UniBE Contributor:

Zanolari, Patrik, Mudry, Marie, Meylan, Mireille


600 Technology > 630 Agriculture








Factscience Import

Date Deposited:

04 Oct 2013 14:36

Last Modified:

05 Dec 2022 14:11

Publisher DOI:


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URI: (FactScience: 221389)

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