This document discusses the importance of spaying and neutering cats and dogs. It notes that over 12,000 cats and dogs are euthanized in US shelters every day due to overpopulation. An unaltered female cat can produce over 5,000 offspring in just 7 years. Spaying and neutering pets has health benefits for the animal as well as behavioral benefits. It helps reduce pet overpopulation and the number of animals euthanized. The document encourages adopting pets from shelters and having owned pets spayed or neutered to reduce overpopulation.