Please see just below review on American English Coonhound dog.
American English Coonhound dog set of pics
In line with the diversity of today’s pet dog breeds, scientists think that the dog was formed by crossing several associated species from your dog family. Among them, Charles Darwin  and the ethologist of Austria, Konrad Lorenz, had been the initiators of the theory of evolution, who concluded that the ancestors of the domestic doggy had been a wolf and a jackal. Today’s established opinion, supported by the outcomes of genetic analyzes, is definitely that the domestic canine developed from a small band of wolves, domesticated about 15,000 years ago.
It isn’t known just how the domesticated puppy was held. It’s possible that canines were the people who produced the initial step. Namely, if wild dogs started to be little enough to end up being unsafe, to visit human they might collect waste materials, camps and discarded bones. Thus, people probably tolerated them because they were cleaning their surroundings. It is possible they have begun to fascinate, approach them, and domesticize them as guard dogs and companions then. It had been only when agriculture had been progressing that the herds could possibly be preserved. Or otherwise: the canines implemented a smarter line in the wish of getting anything from prey.
The first remains of a domestic doggy were uncovered in Mesolithic sites in various places. It appears that the earliest European breed of dog was quite small and would generally be best in comparison to today’s small puppy.
Many breeds originate from a small amount of animals, that leads to mating in kinship. The effect is numerous hereditary (genetic) diseases common in some breeds, for instance hip dysplasia (especially in German shepherds), epilepsy, ataxia, oculoskeletal dysplasia, and others