Please see here review on Borzoi dog.
Borzoi dog set of pics
The classification of kinologists on breeds and groups of breeds is unsystematic, since elements of dogs are in appearance and function instead of relatedness mainly. Breeds are usually genetically different from one another, and with this side even, the domestic dog is one of the most varied forms of domestic animals. According to one genetic evaluation, the breeds type four main courses or “types”: these are “Canines of the old planet” (eg malamute and sharpey), “mastiff” type (eg English mastiff), “sheep” type (for example, border sheep) and “others” (also “modern” or “hunting” type) , a more recent analysis involving a lot more breeds exposed the fifth, “mountain type” (section of mastiffs and spaniels). For a number of breeds, such as the Pharaonic canine, there is a belief among fans and breeders they are ancient, but genetic functions reveal that the older depictions just remind the looks that was achieved relatively lately by crossing different breeds.