EN
The investigations were aimed at the determination of genetic distance among eight lines of laying hens kept in Poland and belonging to the following breeds: GreenLeg ZKF and Z11, Leghorn H22 and G99, Rhode Island Red RD2, YellowLeg Ż33, Polbar (Pb) and Sussex (Sx). The phenotype frequencies of fastmigrating prealbumin (PaF), eggyolk transferrin and ovalbumin (OvA), ovoglobulins: G3, G4 and G2 and conalbumin were obtained from the electrophoregrams of horizontal polyacrylamide gel electrophoresis.