Case Report

Antibodies against Schmallenberg virus detected in cattle in the Otjozondjupa region, Namibia

Umberto Molini, Andrea Capobianco Dondona, Renate Hilbert, Federica Monaco
Journal of the South African Veterinary Association | Vol 89 | a1666 | DOI: https://doi.org/10.4102/jsava.v89i0.1666 | © 2018 Umberto Molini, Andrea Capobianco Dondona, Renate Hilbert, Federica Monaco | This work is licensed under CC Attribution 4.0
Submitted: 22 January 2018 | Published: 16 August 2018

About the author(s)

Umberto Molini, Department of Biotechnology, Central Veterinary Laboratory, Namibia
Andrea Capobianco Dondona, Department of Diagnosis and Surveillance of Exotic Viral Diseases, Istituto Zooprofilattico Sperimentale. dell’Abruzzo e del Molise ‘G. Caporale’, Italy
Renate Hilbert, Directorate of Veterinary Services, Grootfontein, Namibia
Federica Monaco, Department of Diagnosis and Surveillance of Exotic Viral Diseases, Istituto Zooprofilattico Sperimentale. dell’Abruzzo e del Molise ‘G. Caporale, Italy


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Abstract

Several ruminant species have been shown to be susceptible to Schmallenberg virus (SBV), but adult animals usually recover after showing mild or no clinical signs. However, transplacental infection can occur and lead to abortion, malformations and stillborn lambs, calves and goat kids. During November and December 2014, malformations were observed in 11 stillborn calves from two farms in the north-eastern region of Namibia. Blood samples were collected from 9 of the 11 cows that delivered stillborn and malformed calves. All these animals tested negative for Rift Valley fever, bovine viral diarrhoea and infectious bovine rhinotracheitis and were serologically positive for bluetongue virus, SBV and epizootic haemorrhagic disease virus. Clinical findings and serological results suggested that SBV may be circulating in Namibia.

Keywords

Schmallenberg Virus; cattle

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