That's nice. Why don't you give it a shot next time, before you post offensive images, and then leave them there?
_____________________________
Here is the relevant document from the Commonwealth of Virginia Web site. It looks like they put down a pretty high percentage of their animals at their Virginia shelter.
Edit:
Here is a response from PETA on why they euthanize animals. Apparently they euthanized a bunch of animals they collected from North Carolina.