WSPA – Collars Not Cruelty.World Animal Protection US. September 07, 2011.Twenty million dogs are brutally killed every year. That’s 38 every minute. They die in horrific ways including poisoning, beating and electrocution. The video shown here contains disturbing images of this cruelty, but the real tragedy is that killing dogs doesn’t stop the spread of rabies — one of the main reasons behind such culls. Mass vaccination is the only solution.