Of course it is not true. A rooster doesn't even have an ovary. How can he lay eggs? Birds have sex reversal, but many of them are because female chickens become male chickens due to hormonal changes, which is called hen morning. I've never heard of a rooster becoming a hen.

Male eggs, also called chicken kidney, also called "chicken kidney", have extremely high health care functions of nourishing yin and strengthening yang, and have high medicinal and edible values. Can be used for treating dizziness, dry throat, night sweats, etc. It has high medicinal and edible value. However, cock testicles contain a lot of cholesterol, so patients with hyperlipidemia, hypertension and coronary heart disease should eat less.