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34.3034.9034.60-0.40大凤爪37.9038.2038.05-0.5530-40小爪28.0028.5028.250.0040-50中爪28.4029.0028.700.0050-60大爪28.5030.0029.250.00胸类单冻大胸9.309.709.50-0.05毛胸8.708.9