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Figure 4 | BMC Veterinary Research

Figure 4

From: A descriptive study of the prevalence of atypical and classical scrapie in sheep in 20 European countries

Figure 4

Sheep CSPE (‰) in healthy slaughter surveillance. Crude prevalence estimates are represented with their 95% confidence intervals. The dashed line represents the mean CSPE in healthy slaughter for all the countries and all the years. Graph is restricted to country-years with more than 500 tests because confidence intervals were too large to fit on the graph with an appropriate scale. For 2006, some countries could not provide data for the full year. In Switzerland, surveillance was conducted from July 2004 to June 2005 and was referred to as a single year (2004).

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