Core highlights: According to the monitoring of 500 county wholesale markets and collection points across the country, in the 4th week of December (collection date December 25), the prices of live pigs, chicken meat, live cattle, and mutton increased compared to the previous week, while the prices of piglets, pork, eggs, and commercial substitute chicks decreased compared to the previous week, and the prices of beef, fresh milk, and feed products remained unchanged compared to the previous week.