I presume you are talking about USA breeders. It probably would be a long time because so few of your breeders are scanning.
Originally Posted by Blondiemonster
Even your cavalier club members still seem to be in denial about the extent and the seriousness of the health problems that threaten the future of cavaliers.
Things are slightly better here in the UK, more people are scanning and there seems to be a move to use the older grade A dogs instead of young risky champions.
Cavaliers......Tommy Tuppence 2000-2012 and a half share of Faith.
Japanese Chins.... Dandy, Benny, Bridgette and Hana.