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34.5036.0035.250.25大凤爪38.0040.0039.000.3530-40小爪28.9029.1029.000.6040-50中爪29.0029.8029.400.6050-60大爪29.8031.0030.400.40胸类单冻大胸9.509.909.700.05毛胸8.709.108.