NS复合乳酸菌制剂对断奶仔猪免疫水平的影响
Effects of NS-Lactobacillus Complex on Immunity Levels in Weaning Piglets
查看参考文献15篇
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文摘
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选择二元杂交（杜/长）20日龄断奶仔猪90头，平均断奶体重8.99 kg±1.60 kg，按体重和性别分成3个处理组，每处理3个重复。A组为对照组，饲喂玉米、豆粕基础日粮；B组为基础日粮添加NS复合乳酸菌组2 g/kg;C组为基础日粮添加抗生素组（2 g/kg金霉素、0.25 g/kg阿莫西林和0.125 g/kg的支原净）。试验共30 d，研究微生态制剂NS复合乳酸菌对断奶仔猪体液免疫和细胞免疫水平的影响。结果表明，试验30 d时，NS复合乳酸菌组与对照组相比，断奶仔猪血清中的IgM含量和干扰素INF-γ的含量分别高出19.7%和10.2%，猪瘟病毒抗体阳性率高出33.3%，差异显著（P<0.05）；与NS复合乳酸菌组相比，抗生素组仔猪外周血T细胞CD 8~+亚群的比例要高出79.2%，差异显著（P<0.05）.NS复合乳酸菌制剂对加强仔猪体液免疫，维持仔猪的猪瘟、伪狂犬病毒抗体水平和促进机体细胞免疫具有良好效果。 |
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其他语种文摘
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A total of 90 crossbred piglets (1/2 Large white × 1/2 Duroc, 20-day-old, 8.99 kg±l. 60 kg ) were divided into 3 groups by weight and gender, with 3 replicates in each group and 10 piglets in each replicate. The 3 groups were as follows: control group (fed corn-soybean basal diet), NS-Lactobacillus group (added 2 g/kg NS-Lactobacillus complex in basal diet), antibiotic group (added 2 g/kg aureomycin, 0.25 g/kg amoxicillin and 0. 125 g/kg tiamulin in basal diet). The experiment time was 30 days. The humoral immunity, T lymphocyte subpopulations and the antibody levels of classical swine fever virus (CSFV) and pseudorabies virus (PRV) were assayed. The results showed as follows: the levels of IgM, IFN-γ and the CSFV antibody positive rate in blood in NS-Lactobacillus group were increased by 19.7%, 10.2 % and 33.3% compared with control group (P<0.05). T lymphocyte CD8~+ subpopulations in antibiotic group increased 79.2% compared with NS-Lactobacillus group (P<0.05). These suggested that NS-Lactobacillus complex could improve humoral immunity, maintain the antibody levels of CSFV and PRV and increase cellular immunity of piglets. |
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来源
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动物医学进展
,2011,32(12):51-55,56 【扩展库】
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关键词
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NS复合乳酸菌
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断奶仔猪
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体液免疫
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细胞免疫
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T淋巴细胞亚群
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地址
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1.
广西兽医研究所, 广西, 南宁, 530001
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广西大学动物科学技术学院, 广西, 南宁, 530004
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中国科学院心理研究所, 中国科学院心理健康重点实验室, 北京, 100101
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广西畜牧研究所, 广西, 南宁, 530001
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1007-5038 |
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学科
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畜牧、动物医学、狩猎、蚕、蜂 |
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基金
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广西科技攻关项目
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文献收藏号
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CSCD:4405420
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