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Effects of NS-lactobacillus complex on intestinal flora balance and growth performance of pigs
Authors
何颖
孙志勇
+10 more
梁保忠
梁家幸
秦毅斌
胡旭
苏乾莲
赵武
金锋
陈中华
陈忠伟
韦明宇
Publication date
1 January 2012
Publisher
Abstract
【目的】研究NS复合乳酸菌对猪生长性能及其肠道菌群平衡的影响,为进一步推广使用NS系列复合乳酸菌制剂提供科学依据。【方法】将30头重胎母猪及其所产342头仔猪随机分成3组,其中A组饲喂添加0.2%NS复合乳酸菌制剂的基础日粮,B组饲喂加0.2%六味酸制剂的基础日粮添,C组饲喂基础日粮。试验期间对猪的日增重、饲料转化率、成活率和经济效益进行分析,并检测仔猪肠道中大肠杆菌和乳酸菌的含量。【结果】试验后期(63~150日龄),A组猪的日增重和饲料转化率均显著高于C组(P0.05)。除仔猪回肠内容物中的大肠杆菌数量是C组略低于A、B组外,其他肠道各段的大肠杆菌数量均是C组高于A、B组;在乳酸菌方面则恰好相反,仔猪肠道各段的乳酸菌数量均是A、B组高于C组。经济效益评估分析,发现A组的平均毛收益较C组高16.7元/头,较B组高6.7元/头,但差异不显著(P>0.05)。【结论】NS复合乳酸菌通过改善仔猪生长前期胃肠道的菌群平衡,增强仔猪抵抗断奶应激能力和提高成活率,在中后期能有效提高饲料转化率,显著促进肉猪增重,提高养猪生产的经济效益
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Institutional Repository of Institute of Psychology, Chinese Academy of Sciences
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oai:ir.psych.ac.cn:311026/3775...
Last time updated on 30/04/2021
Institutional Repository of Institute of Psychology, Chinese Academy of Sciences
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:ir.psych.ac.cn:311026/1437...
Last time updated on 29/11/2016