Hence, reputable breeders will constantly outbreed by mating Scottish Folds with other kinds of cats that have straight ears. Breeders often use British and American shorthairs in outbreeding.
Seepärast ristavad mainekad tõuaretajad Scottish Folde teiste kassidega, kellel on püstised kõrvad, näiteks Suurbritannia ja Ameerika lühikarvaliste kassidega.