This site shows an interesting method of sexing chicks at two days: pick it up by the base of the neck and hold it there. If it relaxes and droops, it's a pullet. If it moves around and kicks up its feet, it's a cockerel.
Has anyone else heard of this? If it's true, what reason could there be for this behavior?
Has anyone else heard of this? If it's true, what reason could there be for this behavior?