The increase in seroprevalence of bluetongue virus (BTV) serotype 8 infections and associated risk factors in Dutch dairy herds, in 2007

International audience ; Bluetongue virus serotype 8 (BTV-8) emerged in the Netherlands in August 2006 for the first time. In the winter of 2006/2007, during the transmission free period, the government decided to establish a sentinel network to monitor the re-emergence of BTV-8 in 2007.