Why Do Dogs Love Bones? The Answer Involves Fat, Climate and Evolution

[responsiblek9]

Why Do Dogs Love Bones? The Answer Involves Fat, Climate and Evolution
http://www.psychologytoday.com/blog/canine-corner/201001/why-do-dogs-love-bones-the-answer-involves-fat-climate-and-evolution
Why do dogs crave such an apparently non-nutritious food source?
Published on January 27, 2010
      I sit watching one of my dogs chewing on a raw beef shank bone and wonder at how blissful the experience seems to be for him. There appears to be no better canine sedative than a bone to gnaw on.