Exploitation prospect of layer with green shell egg and the key feeding management technique

Many poultry industries have been operated in deficit and the poultry product consumption drops badly more than half a year due to influence of avian influenza around the world. Based on the five-year practice， variety formation， eggs' nutrient properties， health care value and exploitation prospect of green eggshell layer hens had been explained. The site selection for scale caged-feeding， grazing in forest， and the requirement of henhouse architecture had been put forward. And the key feeding technique for healthy chickens had been summarized. The green shell egg is natural with high nutrient and feature， the price is 3～4 times more than that of common eggs. It meets people's thinking shift from quantity to quality and as a new way for poultry farmers to make benefit, it can quickly alter current deficit status of layer hens' enterprise.