Group 1 - The price of fish meal in the main market remains high, with prices reaching 17,000-18,000 yuan/ton, a significant increase of 5,000 yuan/ton from the beginning of the year [3] - The auction for imported soybeans has resumed, with a total transaction volume of 397,043 tons and a high transaction rate of 77.5%, indicating strong demand [5] - The average auction price for soybeans was 3,935.3 yuan/ton, showing a price advantage compared to currently imported soybeans [5] Group 2 - In December, multiple feed companies have raised prices for shrimp and crab feed by 300-500 yuan/ton, reflecting the rising costs of raw materials [6][10][13] - The price adjustments for livestock feed have also been widespread, with companies like New Hope and Chia Tai announcing increases ranging from 50 to 175 yuan/ton [39][44][50] - The price hikes are attributed to the continuous rise in raw material prices, particularly corn and soybean [39][50][58]