Thank you! I am asking because wanting to breed future ducklings with double black, but asking hatcheries might still be a good idea since they work with many different breeds and sometimes develop their own. Someone like Metzer or Holderread might know.
I'm working on breeding for a blue (and black and silver by default) laying duck. The genotype would be like a blue runner but without the runner body type.
I have a Welsh Harlequin duck with excellent egg production who I would like to use. Would the black gene completely cover the harlequin...