<p>In this photo taken Thursday, June 30, 2011, a pair of kittens are shown before being spayed and neutered at the Marin Humane Society in Novato, Calif. Marin Humane Society is credited with opening the first private, low-cost spay and neuter clinic in the U.S. (AP Photo/Eric Risberg)</p>
July 6, 2011
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July 6, 2011 9 p.m.
Fewer pets killed because of spay, neuter programs
LOS ANGELES - When Stephen Zawistowski got his first dog 50 years ago, she was the only dog in the neighborhood that was spayed.