Read this please to see what the over population is like in the united states due to BYBers millers, etc.
http://www.furryfriendsfoundation.co...heLastWalk.htm

[talking about euthenizing dogs]The nightly process begins with "the list," which is drawn up by shelter director Norma Torres.

"The smallest could be 10, but they average 25," she says. "It could go as high as 35. I don't think I've ever gone more than 40.
and this is just at one shelter in one city, this happens all over in almost every city shelter in every city in the country nightly.