Upland bird and waterfowl hunters often hunt with dogs, and there is no greater asset in retrieving wounded game than a trained dog.
Beyond Fair Chase by Jim Posewitz
Which at stated periods drives men out from the sounding cities to forest and plain to kill things by chemically propelled lead pellets, the blood lust, the joy to kill - all this was Buck’s, only it was infinitely more intimate.
Call of the Wild by Jack London
...around around twelve thousand years ago, wolves become domesticated. Not only that, but the bond between humans and the domesticated wolf - now a dog - was so strong that the two were often buried together.
The Genius of Dogs by Brian Hare and Vanessa Woods