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

2018; AOSIS; Volume: 89; Linguagem: Inglês

10.4102/jsava.v89i0.1666

2224-9435

Umberto Molini, Andrea Capobianco Dondona, Renate Hilbert, Federica Monaco,

Animal Disease Management and Epidemiology

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.