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34.5035.5035.00-0.30大凤爪38.5038.7038.600.0030-40小爪28.0028.5028.250.0040-50中爪28.4029.0028.700.0050-60大爪28.5030.0029.25-0.15胸类单冻大胸9.309.809.550.00毛胸8.708.90