国家级生猪大数据中心：12月15日全国生猪均价持平于11.56元／公斤

Group 1 - The national average price of live pigs on December 15 is 11.56 yuan/kg, remaining stable compared to the previous day [1] - The price monitoring indicates that the external three-yuan pig prices show a trend of 6 increases, 7 decreases, and 18 stable across 31 provinces, indicating a steady decline [1] - In Chongqing, the meat supply index increased by 4.33% compared to the previous day, while Beijing's wholesale trading volume of pork increased by 5.20% to 612,700 kg [1] Group 2 - The average price difference for external three-yuan pigs across 21 major regions is approximately 0.40 yuan/kg, which is an increase of 0.05 yuan/kg from the previous day, but still below the average transportation cost of 0.65 yuan/kg [3] - The analysis suggests that due to the cold wave, some large farms are maintaining prices for sales, while seasonal demand improvements have led to increased orders from slaughterhouses and higher operating rates [3] - However, the increase in demand has not met expectations, leading to a lack of significant upward momentum in pig prices, with forecasts indicating stable prices for the following day [3]