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Fig. 1 | BMC Veterinary Research

Fig. 1

From: Influence of border disease virus (BDV) on serological surveillance within the bovine virus diarrhea (BVD) eradication program in Switzerland

Fig. 1

Geographic distribution of field sera and density of the cattle population in Switzerland and of the Principality of Liechtenstein (LI). The map was created with the geographic information system QGIS 2.8.1-Wien. The number of cattle per ZIP (postal code; data 2014) were obtained from the Swiss Federal Statistical Office (https://www.pxweb.bfs.admin.ch); n (Farms providing sera) = 898

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BMC Veterinary Research

ISSN: 1746-6148

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