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36.4037.8037.10-0.10大凤爪40.6041.8041.20-0.1030-40小爪29.5030.2029.85-0.1040-50中爪30.8031.4031.10-0.1050-60大爪31.0031.6031.30-0.40胸类单冻大胸9.009.809.400.00毛胸8.509