复合酶制剂对番鸭饲喂效果的研究

本研究以番鸭为研究对象，研究复合酶制剂对肉鸭的饲喂效果。结果结果表明：在日粮能量水平低于ＮＲＣ，而粗纤维含量超过ＮＲＣ标准的番鸭日糖吵添加０．１％和０．２％酶制剂可分别提高６～８周龄番鸭生长速度１７．０１％（Ｐ〈０．０５）和２１．７５％（Ｐ〈０．０１）；可显著提高肝脏、心脏占活重的比例（Ｐ〈０．０５）；复合酶制剂还能显著提高日糖 营养物质的消化率，显著提高钙、磷吸收率；可显著提高血清总蛋白（Ｐ〈０

Study on feeding value of complex enzyme in muscovy ducks

Muscovy ducks were used as animal model to determine the feeding value of complex enzyme. The results obtained from the experiment showed that the growth rates of the ducks at 6~8 week age fed with the diets contained 0.1% and 0.2% complex enzymes respectively wer 18.53% (P<0.05) and 23.26%(P<0.01) faster than that of the controlled groups respectively. Complex enzyme increased liver weight and heart weight(P<0.05) of the ducks, increased digestibility of nutrients and abosorptivity of calcium and hosphorus, increased concentrations of total protein(P<0.01), albumin (P<0.05) and globulin(P<0.01) in serum of the ducks and decreased excrement amount of feces, reduced concentrations(P<0.05) of blood sugar, uric acid, cholesterol, and triglyceride in serum, and reduced rescosity(P<0.01) of diggesta and excreta. It suggested that complex enzyme should be an effective feed additive for ducks.