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36.8038.2037.500.15大凤爪40.5042.6041.550.3030-40小爪31.5031.6031.550.3040-50中爪32.4032.8032.600.2050-60大爪33.2034.2033.700.20胸类单冻大胸8.909.809.350.00毛胸8.408.908.