That type of leakage can be bred out by introducing non leakage speciments to the flock or by breeding males that dont leak with their mother or sisters
Sumatras as we know them are an American breed. They are Extended Black with Melanotic and Pg(Pattern Gene) due to the Ml-Pg linkage. Extended Black birds will deposit a layer of dark epidermal melanin to the shanks and that is further compound by sex linked dermal melanin enhancer id+ so there...
Whiting True Blue/Green are not a stablished breeds, they have no standards, they are bred to be very good layers of colored eggs and as such can have all sorts of e allele chick down
Yes, that's the sire. the chick has a pea comb, if the Cemani was the sire not only she would have Fibromelanosis showing but the chick comb should be single instead of pea comb.
hens have been known to keep sperm for up to 3 weeks. I don't believe the chick has any Cemani blood in it specially if it's a pullet, if the chick is a pullet she should be all Black, black chick down, black skin, black beak all black. If the chick is a male and inherited sex linked Id from...
The chick down appears to be based on Extended black with recessive mottling. as to why does it have that peculiar gold patch on it's left side. that's unknown
Extended black without at least one melanizer in homozygous state(like Ml or Pg) will look very much like a dark brown red