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35.7036.4036.05-0.20大凤爪39.6040.4040.00-0.3030-40小爪28.2028.9028.550.0040-50中爪29.0030.0029.500.0050-60大爪29.7030.7030.200.00胸类单冻大胸8.809.509.150.00毛胸8.308.60