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以蛋鸡、肉仔鸡、仔猪为对象，探讨了饲料非营养性添加物(微生物植酸酶、寡糖、药物添加剂、香味剂、着色剂等)对营养物质利用、生理生化指标影响的机制。并对其利用技术问题进行了研究，取得了一些成果。“,”Functions and applications of selective non-nutritional additives (microbial phytase、cellulase 、oligosaccharides 、antibiotics 、 feed flavors, etc.) were studied with poultry and pigs.The major results are summarized in this paper.