Edited sentence: A lot of these animals are losing their lives solely for the reason of overpopulation.Most shelters offer low priced clinics to help get these things done and reduce the problem of having too many animals in the shelter.Not only that, it has a lot of other benefits to it as well including eliminating the risks of mammary cancer in the female animals.Shelters take in approximately seven-million animals a year and it is estimated that at least half are euthanized each year.Spay and neutering your cats and dogs is one of the biggest ways you can help the issues of animal over-population.This number would be less if people took better care of their pets and also if they stuck to their commitment they make when making the decision to bring an animal into their care.Vaccinations and check-ups are also a big part of the commitment you make to your pet and can help keep animals healthy and keep them from wanting to be given up.many, many others