There are 59 million cats and 52.9 million dogs, yet dogs are found in 4.2 million more American households than their feline counterparts, according to a recent report prepared by the American Veterinary Medical Association. However, this great disparity between dogs and cats should not seem alarming considering the fact that dogs have been around for centuries as the human's steadfast animal companion. Since the earliest agrarian societies, to the modern post-industrial societies of today, dogs have been an intregal part of how humans hav ....