The Vancouver Humane Society has compiled a list of animal deaths at the Calgary Stampede since 1986.  The following is the Society's media release, in its entirety, from July 2013:

Definition of “stampede” from Webster’s dictionary;  A sudden flight or rush of a number of frightened animals.

These statistics are from the Calgary Humane Society and/or the local media regarding the animals killed in these venues.

1986

12 (twelve) chuckwagon horses

1987

1 steer (broken leg) euthanized

1 calf broken leg) euthanized

1 chuckwagon horse - collapsed and died   

1 chuckwagon horse, broken leg, euthanized)     

1988

1 chuckwagon horse -broken leg euthanized

1989

2 calves - broken legs euthanized

1990

3 calves - broken legs euthanized

1 steer - broken leg euthanized

1 bucking horse euthanized

1 chuckwagon horse -broken leg euthanized

1991

   no fatalities reported

1992

1 chuckwagon horse died

1993

   no fatalities reported

1994

1 horse (novice bronc) broken hind leg euthanized

1995

1 chuckwagon horse -broken leg euthanized

1 horse (novice saddle bronc) head injury, euthanized

1 horse (novice bronc) front leg, euthanized

1996

4 chuckwagon horses killed, 1 down with a heart

   attack, 2 euthanized, 1 with broken neck and leg 

1997

1 chuckwagon horse died

1 bull euthanized after breaking his leg

1998

   no fatalities reported

1999

2 chuckwagon horses euthanized 

2000

2 chuckwagon horses - 1 horse died of pulmonary

   aneurism; 1horse > euthanized (fractured front leg)

2001

1 calf euthanized (broke right hind leg) in the calf

   roping event on July 8th

1 chuckwagon outrider horse euthanized July 15th

  (collapsed and broke right shoulder)

2002

1 chuckwagon outrider horse died of a heart attack on

   July 5 after running in heat 1

5 chuckwagon horses killed

1 calf euthanized (broken leg) in the calf roping event

2003

   no fatalities reported

2004

1 horse (broken leg in wild ride event)

2005

9 horses killed in stampede on Bonnybrooke Bridge July 3

1 show horse, heart attack, July 8

1 calf, injured on July 8

1 chuckwagon horse, heart attack, July 15

2 chuckwagon horses (behind the scenes)

2006

2 chuckwagon horses (July 7) heart attack, broken leg

1 chuckwagon horse (July 13) broke two bones in its

   lower left front leg on Gary Gorst's team

2007

1 chuckwagon horse (Darcy Flad) euthanized

3 chuckwagon horses (Gary Gorst-July 14)

2008

1 chuckwagon horse (Reg Johnstone) euthanized (July 10)

2009

1 chuckwagon horse (Reg Johnstone) heart attack (July 5)

1 chuckwagon horse (Barry Hodgson) euthanized (July 7)

1 steer euthanized (July 9)

1 chuckwagon horse (Ray Mitsuing) heart attack (July 11)

 

2010

6 chuckwagon horses

2011

2 chuckwagon horses

2012

3 chuckwagon horses dead, 1 injured (lead dropped, others followed-outrider horse crashed into wagon at high speed)

 

There have also been 2 human fatalities at the Chuckwagon races in this time frame:
 - Outrider Eugene Jackson died on July 20, 1996 from head

    injuries suffered from a spill on July 11, 1996.
- Wagon driver, Bill McEwen died July 11, 1999 of head

   injuries received from a wagon crash on July 9, 1999.

**NOTE** There are literally thousands and thousands of animals used behind the scenes to perfect the “cowboys” rodeo skills. These figures do NOT include animals that were injured and/or killed for these practises.