从 8 6 8细菌发酵液中提取并精制多糖类物质。用浓度为 40mg/ml的 86 8细菌多糖提取物作为甲鱼免疫增强剂 ,观察其对甲鱼抗体产生的影响 ,结果表明 86 8细菌多糖类提取物有促进甲鱼抗体产生的作用 Extract and refine polysaccharides from 8 6 8 bacterial broth. The concentration of 40mg / ml of 868 bacterial polysaccharide extract as a turtle immune enhancer to observe its impact on turtle antibody production, the results show that 868 bacterial polysaccharide extract can promote turtle antibody production