The best photos from catalogues boys and girls doing sexer pictures and middle age women with sex toys
The system relies on candling eggs and using spectroscopy to determine feather colour, and hence is suitable only for strains with sex-linked feather colouration.
! Girl N Girl !
A paper about vent sexing was published in Japan in by Professors Masui and Hashimoto, which was soon translated into English under the title sexing baby chicks.
Description: If not obscured by other coloration controlled by other genes , the chicks can accurately be sexed with little or no training.