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33.8036.0034.900.00大凤爪37.7040.0038.850.0030-40小爪28.6028.9028.750.0040-50中爪29.7031.2030.450.0050-60大爪31.0032.0031.500.00胸类单冻大胸8.909.709.300.00毛胸8.408.908.