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33.8035.5034.650.00大凤爪37.7040.0038.850.2030-40小爪28.6028.9028.750.0040-50中爪29.4030.4029.900.2050-60大爪30.6031.6031.100.10胸类单冻大胸8.809.509.150.00毛胸8.308.608.