Figure 1
From: No temporal trends in the prevalence of atypical scrapie in British sheep, 2002–2006
Surveillance data on atypical scrapie in Great Britain (GB). (a) Number of animals tested within the abattoir surveys by year and diagnostic test. (b) PrP genotype distribution of samples which were positive for atypical scrapie each year in the abattoir surveys. (c) Number of animals found dead on farm tested between 2003 and 2006. (d) PrP genotype distribution of samples which were positive for atypical scrapie each year in the fallen stock surveys.