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36.8039.0037.900.40大凤爪40.8043.8042.300.7530-40小爪31.5031.6031.550.0040-50中爪32.5033.5033.000.4050-60大爪33.2034.5033.850.15胸类单冻大胸9.0010.009.500.15毛胸8.509.108