good small house dogs brief page.
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In general, the domestic dog is the oldest domestic animal, because it is meant to be domesticated by a person ten to fifteen thousand years ago. The first continues to be of a domestic pet were uncovered in Mesolithic websites in different places. It appears that the earliest European breed was quite little and would, in general, be best compared to today’s guy. There is almost no animal species on earth, within which there would be obvious differences in the surface and the dogs. Some individuals associate diversity with different ancestors. Many old authors, on the basis of the diversity of today’s canine breeds, think that your dog was shaped by crossing several associated species from the dog family. Among them were also the beginner of the theory of evolution Charles Darwin and the Austrian ethologist Konrad Lorenz, who concluded that the ancestor of the domestic doggie has been a wolf and a jackal. Another, more probable and, recently, a more and more supported theory scientifically, speaks of the common ancestor of a wolf and a domestic pet. According to this concept, the current diversity of dogs is supposed to be due to intensive, pretty much planned selection and breeding, and sudden, even unpredictable heritable genetic changes – mutations. The result is the emergence of several different breeds of dogs, whose specimens differ in size, head and torso, color, length and quality of the tresses, and lastly furthermore in usefulness for various purposes.