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36.0036.5036.25-0.05大凤爪40.0040.6040.30-0.1030-40小爪28.7029.2028.95-0.1540-50中爪29.2030.2029.70-0.1050-60大爪29.7030.7030.20-0.05胸类单冻大胸8.809.509.150.00毛胸8.308