非淀粉多糖是谷物副产物麦麸、米糠等的重要组成成分，是影响畜禽对谷物饲料养分和能量消化利用率的主要抗营养因子。

Non-starch polysaccharides(NSP) is the main component of the cereals' by-products, and it is the main anti-nutritional factor restricting the nutrients digestibility and utilization by the animals.

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我国对可食蕨淀粉资源的开发较早，但开发利用率较低。

Edible fern starch was used very early in our country, but the utilization rate was low.

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与单独添加相比，淀粉酶和复合酶联合使用时，蛋鸡生产性能和养分利用率并未得到明显改善。

There was no significant difference in production performance and nutrition utilization between individual and combined supplementation of amylase and compound enzymes to diet for laying breeder hens.

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