Skip to main content
Fig. 1 | BMC Veterinary Research

Fig. 1

From: Use of a voluntary testing program to study the spatial epidemiology of Johne’s disease affecting dairy herds in Minnesota: a cross sectional study

Fig. 1

The participation of study herds as a percentage of the ideal sample size, by county, is summarised with the graduated symbols. The Minnesota Dairy Herd Improvement Association testing laboratories are illustrated with triangles. The background colors in grey indicates the number of dairy herds in each county, based on 2012 census of the National Agricultural Statistics Service [18]. Map depicted here was generated as part of the current study

Back to article page

BMC Veterinary Research

ISSN: 1746-6148

Contact us