Primordial germ cells (PGCs) of white leghorn Maria line hens embryos as a donor were transferred white leghorn Laura line hens embryos as a recipient. During stage 12 to 15 of incubating fertilized eggs. donor PGCs which were taken out from blood vessels of donor embryos. were transferred into blood vessels of recipient embryos at the same stage. https://www.chiggate.com/biomat-sessions-sale/