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Table 1 Surveillance for TSE in small ruminants in Switzerland, 1990-2008.

From: Surveillance and simulation of bovine spongiform encephalopathy and scrapie in small ruminants in Switzerland

Year Passive surveillance Active surveillance  
  Analysis TSE cases Analysis   TSE cases
    Fallen stock Slaughter  
1981-1990 - 1 - - -
1991 25 1 - - -
1992 21 - - - -
1993 15 3 - - -
1994 40 - - - -
1995 73 1 - - -
1996 93 - - - -
1997 38 - - - -
1998 68 - 771 - -
1999 85 1 3811 - -
2000 91 - 4071+ 712 - -
2001 66 - 2552 - -
2002 104 - 42 493 -
2003 36 - - 4043 -
2004 80 1 18075 180044 6
2005 23 - 13865 147734 2
2006 7 - - - -
2007 11 - - - -
2008 10 - - - -
Total 886 8 4388 33230 8
  1. Annual numbers of animals analyzed in passive and active surveillance as well as numbers of confirmed TSE cases are indicated.
  2. 1tested with Prionics Check Western
  3. 2tested with Prionics Check Western and IHC and histopathology in parallel [37]
  4. 3tested with Bio-Rad TeSeE sheep and goat ELISA IHC and histopathology in parallel [36]
  5. 4tested with Bio-Rad TeSeE sheep and goat ELISA or Prionics Check Western SR [28]
  6. 5tested with Bio-Rad TeSeE sheep and goat ELISA, Prionics Check Western SR, IHC and histopathology in parallel [28]