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不同剂量蜡样芽胞杆菌对肉鸭的试验 被引量:1

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摘要 选用1275只1日龄健康樱桃谷商品肉鸭,随机分成3组,其中1个对照组,2个试验组,以探讨在肉鸭日粮中添加不同剂量的蜡样芽胞杆菌(TWYB1)+乳酸菌复方制剂和TWYB1单菌对其生长、病死率、饲料转化率和经济效益的影响。试验结果表明:TWYB1+乳酸菌组高剂量为最佳剂量,饲料系数为1.94,成活率为100%,利润为3.51元/只。与TWYB1单菌组高剂量(饲料系数2.26,利润2.01元/只)相比,降低饲料系数15.5%,提高经济效益(1.5—X1)元/只(X1为微生态制剂的费用,平均0.1元/只)。与空白对照组(2.28,2元/只)相比,降低饲料系数16%,提高经济效益(1.51—X1)元/只。与抗生素对照组(1.95,3.18元/只)相比,降低饲料系数0.5%,提高经济效益(0.33—X1)元/只,统计学比较差异不显著,临床上可替代抗生素。
出处 《饲料研究》 CAS 北大核心 2010年第1期34-36,共3页 Feed Research
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