1, the green egg is black-bone chicken. Also known as five black chickens. Five black chickens have the characteristics of black hair, black skin, black meat, black bones, black internal organs and five black, and their eggshells are green, which is a rare rare rare bird in the world. Its eggshell is green and relatively small, its yolk is bigger than ordinary eggs, and its egg white is thicker.

2. Green-shell eggs, green-shell laying hens, also known as Lu Hua Black Chicken and Three Gorges Black Chicken in Hubei Province. The original chicken farm is located in Yichang, Hubei Province, and there is a very irregular name called green preserved eggs.

The fresh-keeping period of green shell eggs is long, and the fresh-keeping methods are: indoor dark and ventilated, or cold storage. Shelf life: within 20 ~ 25℃, shelf life 1.5 months; Below 20℃, the shelf life is 2 and a half months. Green-shelled eggs can be mixed in light season and do not need special preservation.