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Chronic Wasting Disease Testing in Saskatchewan

Year Mule Deer White-tailed Deer Elk Moose Total
Pos Neg Pos Neg Pos Neg Pos Neg Pos Neg
1997 0 3 0 36 0 0 0 0 0 39
1998 0 91 0 18 0 2 0 0 0 111
1999 0 79 0 57 0 44 0 0 0 180
2000 1 184 0 726 0 89 0 0 1 999
2001 Spring 1 154 0 58 0 0 0 0 1 212
2001 Fall 0 1077 0 2236 0 340 0 0 0 3653
2002 Spring 1 134 0 24 0 0 0 0 1 158
2002 Fall 7 3244 2 2413 0 163 0 0 9 5820
2003 Fall 22 2830 0 1922 0 153 0 0 22 4905
2004 Fall 30 5265 2 1439 0 9 0 0 32 6713
2005 Fall 25 2635 10 938 0 47 0 4 35 3624
2006 Fall 27 2343 22 1497 0 164 0 10 49 4014
2007 Fall 32 2561 13 1729 2 90 0 4 47 4384
2008 Fall 43 3668 5 828 1 214 0 27 49 4737
2009 Fall 34 2219 3 378 0 71 0 20 37 2688
2010 Fall 31 792 4 552 0 51 0 18 35 1413
2011 Fall 27 401 5 419 1 52 0 19 33 891
2012 Fall 26 247 7 209 3 36 0 14 36 506
2013 Fall 13 4 0 21 0 2 0 8 13 35
TOTAL 320 27931 73 15500 7 1527 0 124 400 45082



Notes:
This table does not include those specimens which were deemed unsuitable for testing.


From 1997 until the fall of 2000, only the brain section (obex) was used to diagnose CWD. Starting in 2001, tonsils and/or retropharyngeal lymph nodes were also examined.


Starting in the fall of 2005, animals under 1 year of age were no longer tested under the program because detectable infection is rare in a young animal and therefore not cost-effective in terms of surveillance.


The hunter surveillance program was discontinued in 2012. The 2013 numbers are from diagnostic samples.