One of the most common features of Autosexing chickens is the ability to determine the sex of chicks from feathers. Professor R. C. Punnett and Mr M. S. In his experimental studies at Pease Cambridge, he thought that the main characteristics of the chicken were gold (brown) color. In addition, chicks Autosexing, the female body is brown and a single white spot at the beginning. In men, there are two white pieces in his head. In chicks, brown feathers are more open and mixed in females. In men, sharper posture is observed. According to some sources, the gender of Autosexing chickens is determined by looking at the egg color and shape. It is determined as gold and silver color, which is seen as standards by Poultry Club. Autosexing chickens are among the rare chicken breeds.