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36.8039.0037.900.00大凤爪41.0043.6042.30-0.1030-40小爪30.5031.2030.85-0.0540-50中爪31.6032.6032.10-0.2050-60大爪32.2033.2032.70-0.15胸类单冻大胸9.009.809.40-0.10毛胸8.509