Using the Punnett Diagram, you are able to predict the percentage of the outWho said anything about separating them?
You can eat the eggs from her, if it's a her, but don't hatch her eggs.
You say she had a poof on her head when she hatched, that's the crest on ducklings.
Take all of the eggs from them, if they go broody (siting on nest all the time with only short breaks) then buy some fertile muscovy eggs (another species of duck) for her to hatch out.
come of any mating, provided that the breeder knows the genes and
background of the birds. The crested duck program is an exciting and
challenging breeding program to undertake. Always remember to toe punch or
mark your ducklings from this type of a breeding program because a duckling
that does not have a crest does not necessarily mean that duckling does not
carry the crested gene. If the bird has superior type and all other desirable
traits, it could certainly be used for your crested mating the following year.
I found this off of faith valley water and fowl