The xylan existing in grain feed is a major kind of anti-nutritional factors, it can reduce feed digestibility significantly and hinder the growth of livestock and poultry.

谷物饲料中存在的木聚糖是阻碍营养物质消化的主要抗营养因子之一，它使饲料消化利用率大大降低，阻碍畜禽的生长发育。

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Soybean oil also had no effect on total feed intake, but decreased forage intake, and increased DM, OM, CP, and crude fat digestibility.

添加大豆油亦没有影响总采食量，但降低粗料采食，然而提高了乾物质、有机质、粗蛋白质和粗脂肪的消化率。

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The 28 and 35 days old weaned piglets were used to evaluate the effect of Aspergillus niger probiotics on the performance and feed nutrient digestibility.

选取28和35日龄健康杜长大断奶仔猪，研究日粮添加黑曲霉出发菌或变异菌对仔猪生长及日粮养分消化的影响。

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