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DDGS型日粮专用复合酶制剂对肉鸡生长性能的影响 被引量:3

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摘要 为研究玉米DDGS(进口)型日粮中添加复合酶制剂对肉鸡生长性能的影响,选取体质健康的1日龄Cobb肉仔鸡150只,随机分成3个处理,每个处理5个重复,每个重复10只,进行为期42 d的饲养试验。其中对照组饲喂基础日粮(玉米豆粕型),20%DDGS组用20%DDGS替代基础日粮中19.5%的玉米和豆粕,20%DDGS垣复合酶制剂组将复合酶制剂添加到20%DDGS日粮中。结果发现:1耀21日龄时,与对照组相比,20%DDGS组采食量降低了0.41%,20%DDGS垣复合酶制剂组采食量提高了0.88%;与对照组相比,20%DDGS垣复合酶制剂组日增重提高了1.46%,料肉比降低了0.64%。22耀42日龄,与对照组相比,20%DDGS组采食量提高了3.12%,20%DDGS+酶制剂组采食量提高了5.98%(约0.05);与20%DDGS组相比,20%DDGS+酶制剂组日增重提高了4.28%,料肉比降低了1.42%。1耀42日龄,与对照组相比,20%DDGS组和20%DDGS+酶制剂组采食量分别提高了3.75%和5.02%;与20%DDGS组相比,20%DDGS+酶制剂组日增重提高了3.10%,料肉比降低了2.16%。表明,本试验条件下,在肉鸡基础日粮中添加20%DDGS对其生长性能有一定的负作用,但是同时添加酶制剂可缓解这些不良影响,并取得与玉米豆粕型基础日粮基本相当的效果。
出处 《养殖与饲料》 2014年第4期56-59,共4页 Animals Breeding and Feed
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