日粮中添加EM制剂对产蛋鸡生产性能的影响

Chinese Qinghai Journal of Animal and Veterinary Sciences(2010)

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Abstract
试验选用28周龄的新罗曼产蛋鸡300只,随机分为三个组即试验1组、试验2组和对照组.试验1组和2组日粮中添加EM发酵饲料的比例分别为25%和50%.以测定日粮中添加EM制剂对产蛋鸡生产性能的影响,试验结果表明,试验1、2组与对照组比较,产蛋量分别提高11.23%和9.54%,产蛋率分别提高7.13%和8.16%(P<0.01).料蛋比分别下降13.18%和11.63%(P<0.01).每公斤鸡蛋盈利分别增加16.03%和9.29%.
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Key words
Laying hen,Economic profit,EM preparation,Production performance
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