bse update on us surveillance fda tse advisory committee silver spring md february 8 2005 lisa a ferguson dvm senior staff veterinarian usda aphis veterinary services total cases worldwide cumulative greater than 189 000 96 in united kingdom 89 occurred 1996 and before oie website lists current reported totals www int national plan goal obtain as many samples possible from the targeted high risk population 12 18 month period targeting where disease is most likely to be diagnosed efficient assumption if we cannot find or even more unlikely found non use data obtained extrapolate information about broader cattle estimated 446 adult 45 million ambulatory animals dead stock field cns farm suspects diagnostic laboratory public health laboratories ante mortem condemns at slaughter may 1990 fy2004 thru 5 31 2004 0 5000 10000 15000 20000 25000 1992 1994 1998 2000 2002 cdc vdl s nvsl 20 543
