Chicken is the most common source of poultry and meat around us. More than 60 billion chickens are eaten every year in the world, which is more than 8 times the population of the earth. It is the closest animal companion and an important source of protein for human beings. The progress of human civilization has profoundly changed us. In the tropical rain forests of Southeast Asia, in the northernmost villages in China, and in the tribes on the edge of the tropical deserts of Africa, in extreme and primitive environments, the status of chickens in people's lives is not just a delicacy on the table , it has more cultural value beyond the dining table.
