Hmmmm, but why somebody can think about new wolf in breed? If do you mean wolfdogs have small "genopool", all breeders can help if they will use males from small bloodgroups. For example in Czech we needs more pups from Akenah Runar Wawanyanka, Argo Prizrak Karpat, Afis testamonium Diaboli..... etc etc. Every country can look at all males (thear pedigree from first dogs-males in population) and look - "what males ( grand grand grandfethers
) we have not in our country". It is most effective help for our breed. Not new wolves.