It’s resulting from a purely natural mutation. Sphynx were being bred from the domestic shorthair, but they've two copies from the hairless gene as opposed to one particular. Inoltre il gattino non deve mai lasciare la mamma prima del terzo mese di età e deve essere accompagnato sempre da libretto https://stephendovaf.tribunablog.com/the-2-minute-rule-for-russian-blue-50586010