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41.0043.8042.400.0030-40小爪30.5031.3030.90-0.3040-50中爪31.8032.8032.30-0.2050-60大爪32.5033.2032.85-0.15胸类单冻大胸9.0010.009.500.00毛胸8.509.