There are about 7 billion people in the world, and more than 500 million people are struggling with food and clothing, not to mention eating chicken. They can't even eat. More than one billion people can only maintain food and clothing, and each person eats a chicken for about two years; Two billion people are well-off, and each person eats a chicken for about a year; The well-off population is 200 million, and each person eats a chicken in January; There are1300 million richer people, each of whom eats a chicken for about a week; About 200 million people are very rich, and there must be many domestic servants, about one chicken a day per person. In this way, you have to eat about 55 thousand chickens a day, and you have to raise chickens for supply, so you will raise more.