A farm worker scratches his head while walking through a cowshed in Dusejov near Jihlava on June 14, 2001. Dusejov's farm received a final confirmation that a cow from the herd was BSE positive and are now faces the slaughter of 139 animals from the herd. German laboratory results from the third test on a Czech cow suspected of having mad cow disease proved positive, confirming fears that BSE ( mad cow disease) had spread to eastern Europe