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36.8039.0037.900.00大凤爪41.0043.6042.300.0030-40小爪30.0031.0030.50-0.3540-50中爪31.4031.8031.60-0.5050-60大爪32.0032.8032.40-0.30胸类单冻大胸9.009.809.400.00毛胸8.509.1