粮油批发价格略有波动，其中面粉上涨0.2%，菜籽油、大米均与前一周基本持平，花生油、豆油分别 下降0.2%和0.1%。 商务大数据显示，12月15日至21日，全国食用农产品市场价格比前一周(环比，下同)上涨0.2%。 6种水果平均批发价格小幅上涨，其中西瓜、葡萄、香蕉分别上涨3.5%、2.6%和1.6%。 禽产品批发价格略有上涨，其中鸡蛋、白条鸡均上涨0.1%。 肉类批发价格稳中有涨，其中猪肉每公斤18.08元，上涨0.4%，牛肉、羊肉均与前一周基本持平。 水产品批发价格略有下降，其中草鱼、鲫鱼、大带鱼分别下降0.4%、0.4%和0.1%。 30种蔬菜平均批发价格每公斤5.99元，下降0.7%，其中菜花、西兰花、生菜分别下降13.4%、11.6%和 10.2%。 ...

Group 1: Agricultural Product Price Trends - The national edible agricultural product market price increased by 0.4% from the previous week [1] - The average wholesale price of 30 types of vegetables reached 5.69 yuan per kilogram, rising by 1.4%, with notable increases in prices of chives (14.8%), cabbage (8.4%), and asparagus lettuce (5.3%) [1] - The average wholesale price of 6 types of fruits saw a slight increase, with watermelon, grapes, and apples rising by 3.5%, 2.8%, and 0.3% respectively [1] Group 2: Seafood Price Movements - Wholesale prices of seafood experienced slight increases, with large hairtail, large yellow croaker, and silver carp rising by 0.8%, 0.8%, and 0.7% respectively [2] Group 3: Poultry and Grain Price Changes - Wholesale prices of poultry products increased, with whole chickens and eggs rising by 0.2% and 0.1% respectively [3] - Grain and oil wholesale prices showed minor fluctuations, with peanut oil increasing by 0.1%, while canola oil and flour remained stable, and rice and soybean oil decreased by 0.2% and 0.1% respectively [3] - Meat wholesale prices experienced slight fluctuations, with pork priced at 18.60 yuan per kilogram, decreasing by 0.5%, while beef and lamb prices increased by 0.1% [3]