February 13, 2008, BC SPCA CEO Craig Daniell wrote in the Vancouver Sun, 'When the SPCA must euthanize an animal, it is for the same reason so-called "no-kill" facilities euthanize animals — to end the suffering of an animal that is beyond medical help.'

Here is the list of reasons that staff put into the SPCA's system when animals are killed.

1. Aggression-humans
2. Aggression to humans
3. Behavioural
4. Blind
5. Cat flu
6. Compulsive, obsessive, stereotypic behaviour
7. Congenital defects
8. Contagious
9. Critical distress
10. Deaf
11. Declared dangerous
12. Dental disease
13. Dominance aggression
14. Dominant behaviour
15. Ear mites
16. Escape behaviour
17. Excessive vocalization
18. Failed BA (behaviour assessment)
19. Fearful/aggressive
20. Feline leukemia
21. Feral
22. FIV positive
23. Guarding behaviour
24. Hair loss-demodex
25. Hair loss-non specific
26. Hair loss-ring worm
27. Head trauma
28. Heartworm positive
29. Humane grounds
30. Hyper reactivity to stimuli
31. Hyperactive
32. Idiopathic aggression
33. Injured
34. Kennel cough
35. Kennel crazy
36. Lack of pigmentation
37. Litter box aversion
38. Neurological problems
39. Old
40. Orthopedic problems
41. Owner request
42. Parvo
43. Parvo contact
44. Poor condition
45. Seizures
46. Separation anxiety
47. Sick
48. Spraying stress
49. Tick paralysis
50. Timid/fearful with accompanying anxiety
51. Too many cats
52. Too many dogs
53. Too young
54. Trauma
55. Unsocial
56. Wolf hybrid