SURVEILLANCE DATA - CHRONIC WASTING DISEASE

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Chronic Wasting Disease Testing in Saskatchewan

  2015 CWD Status
Species Negative Positive Inconclusive Total
Elk 14 0 1 15
Moose 24 1 1 26
Mule Deer 80 20 0 100
White-Tailed Deer 85 4 1 90
Total 203 25 3 231

*Includes both hunter surveillance and diagnostic samples

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Year Mule Deer White-tailed Deer Elk Moose Total
Pos Neg Pos Neg Pos Neg Pos Neg Pos Neg
19971 0 3 0 36 0 0 0 0 0 39
19981 0 91 0 18 0 2 0 0 0 111
19991 0 79 0 57 0 44 0 0 0 180
20001 1 184 0 726 0 89 0 0 1 999
2001 Spring1 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 Fall2 25 2635 10 938 0 47 0 4 35 3624
2006 Fall2 27 2343 22 1497 0 164 0 10 49 4014
2007 Fall2 32 2561 13 1729 2 90 0 4 47 4384
2008 Fall2 43 3668 5 828 1 214 0 27 49 4737
2009 Fall2 34 2219 3 378 0 71 0 20 37 2688
2010 Fall2 31 792 4 552 0 51 0 18 35 1413
2011 Fall2 27 401 5 419 1 52 0 19 33 891
2012 Fall2 26 247 7 209 3 36 0 14 36 506
20133 13 4 0 21 0 2 0 8 13 35
20143 13 17 6 17 2 4 0 7 21 45
TOTAL 333 27949 79 15515 9 1572 0 130 421 45126

Notes:

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

1From 1997 until the fall of 2000, only the brain section (obex) was used to diagnosis CWD. Starting in 2001, tonsils and/or retropharyngeal lymph nodes were also examined.

2Starting 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.

3The hunter surveillance program was discontinued in 2012 and the 2013 and 2014 numbers are from diagnostic samples.

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