Mao eggs

Hairy eggs, also known as stillborn eggs, are immature chickens that are affected by improper temperature, humidity or some germs during the incubation process, resulting in the stop of chicken embryo development and death in the eggshell. Hairy eggs are eggs that are about to hatch, and they can be divided into whole eggs, half chickens and whole chickens according to the hatching situation of chickens. The bloodiest one is whole chickens, that is, the chickens in the eggs are basically ready to hatch.
Reprinted with attribution： https://cnlocality.com/(Chinese Specialty Products)