单位:元/公斤山东爪类规格最低价最高价中间价涨跌小凤爪35.0036.2035.600.00大凤爪39.2040.0039.600.0030-40小爪28.2028.9028.550.0040-50中爪29.0030.0029.500.0050-60大爪29.6030.5030.05-0.10胸类单冻大胸8.809.309.050.00毛胸8.308.508