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36.0038.2037.100.60大凤爪39.0042.5040.750.7030-40小爪30.0031.0030.501.0040-50中爪31.0032.8031.900.7550-60大爪32.1034.0033.051.00胸类单冻大胸8.909.809.350.00毛胸8.408.908.