That makes since, but it also makes since that you would get of your "Worst Breeders" also. but are there breeding pasts perminent, meaning if they produced 3 good eggs the past two years could they not get a 7 egg clutch this year? I don tthink so but then again i am not experienced. But we breed of statistics so it makes since to give off a proven breeder when a morph breeder is of size, but not your "Best Breeder"