First, breeds that have participated in the reconstruction of the old Serbian Mastiff: Neapolitan Mastiff, Rottweiler, Serbian shepherd dog TORNJAK, American Staffordshire Terrier, which was added because of the persistence and bravery and finally a wolf.Known fact is that the Sheepdogs historically bred with wolfs.That dogs were healthier, among other senses are sharpened.Nenad Gavrilovic was began "reconstruction" of breed by crossing wolves with this shepherd dogs, which are present in the entire Balkan's.That crossbreeds of wolf and Shepherd dog later been bred with a Rottweiler.Another line of breeding went by wolves bred with the Neapolitan Mastiff.Later, crossbreeds from a combination of "wolf - neapolitan mastiff" were bred "wolf - shepherd - rottweiler" crossbreads.Dogs from the combination Wolf - Neapolitan Mastiff were aggressive towards people and to animals.On the other hand dogs from a combination of wolf - Shepherd dog, had been calm and less aggressive.It is important to note that they have always made duplicate combinations : father Wolf and mother Shepherd dog,and father Shepherd dog and mother Wolf.Later in the breeding inserted and American Staffordshire Terrier...Serbian special police unit uses the SDD.
One of the most famous owner of the SDD is Diego Maradona, who got the dog as a gift.SDD is not a new breed, SDD is the reconstruction of the old Serbian Mastiff.