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Preliminary results of a first survey in sheep flocks of the Walloon Region concerning the disease due to the Schmallenberg virus

Abstract:

A preliminary anonymous survey was conducted in order to contribute to the forthcoming evaluation of the economic losses due to the Schmallenberg virus (SBV). The preliminary results obtained pointed to several significant characteristics recorded in the flocks affected by SBV a higher abortion rate, more frequent birth of lambs with abnormalities (deformed limbs), peri-partum deaths and dystocia (requiring symptomatic treatment). The implementation of a survey on a larger scale, covering a higher number of herds, appears desirable to fully evaluate the impact of SBV infection in the sheep sector.