外源酶对大熊猫日粮营养物质消化率影响的研究(英文)

The Effect of Exotic Enzyme on the Digestibility of Dietary Nutrients in Giant Pandas

应用外源性复合酶制剂对移地保护大熊猫进行消化试验。结果表明 ,在日粮中添喂 0 15 %或 0 30 %的营养性复合酶或纤维素复合酶均能显著提高大熊猫对日粮各营养物质的消化率 ,其中 ,对日粮粗蛋白质和氨基酸的消化率 ,添喂 0 30 %的营养性复合酶的效果优于添喂 0 15 %水平的营养性复合酶的效果 ;对日粮粗脂肪的消化率 ,添喂 0 15 %水平的营养性复合酶的效果优于添喂 0 30 %水平的效果 ;大熊猫对日粮纤维素、半纤维素、NDF、ADF的消化率 ,添喂纤维素复合酶的效果极显著 ,而且 ,随添喂水平的提高 (0 15 %～ 0 30 % ) ,其日粮纤维素等物质的消化率亦随之显著提高 ;添喂营养性复合酶 ,纤维素等物质也获得了良好的助消化作用。

In this study, exotic compound enzyme preparation was applied for the first time to migrating protective Giant Pandas and the digestion trial was conducted. The result indicated that adding 0.15% or 0.30% nutritional or cellulose compound enzyme preparation could apparently increase the digestibility of the nutritional matter in the diet of Giant Pandas. The digestibility of protein and amino acids, adding 0.30% nutritional compound enzyme preparation, was superior to that of 0.15%, and the things reversed to the digestion rate of crude fat. The digestion rate of cellulose, hemi cellulose, NDF(neutral detergent fiber) and ADF(acid detergent fiber) of the diet could be increased not only remarkably by adding cellulose compound enzyme but consequently with adding level from 0.15% to 0.30%. The results were beneficial to the practice of captive breeding for the migrating protecting Giant Pandas.