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Effects of Multi-enzyme Preparations on Growth and Metabolism in Ducks
Author(s): 
Pages: 16
Year: Issue:  10
Journal: Feed Review

Keyword:  复合酶制剂肉鸭生产性能代谢率;
Abstract: 选用1日龄樱桃谷肉鸭900只,分为3组,每组6个重复,每个重复50只,进行饲养试验.对照组饲喂玉米-豆粕-杂柏型基础饲粮,试验1、2组在基础饲粮基础上分别添加0.015%、0.025%复合酶制剂.结果表明,两试验组肉鸭只均日增重、干物质、能量和粗蛋白质代谢率均显著高于对照组;饲料增重比显著低于对照组.试验1组生长性能和养分代谢率均最高.结论,复合酶制剂可提高肉鸭生产性能、促进营养物质吸收利用,但添加水平应适量.
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