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NS复合乳酸菌制剂对断奶仔猪免疫水平的影响
引用本文:何颖,赵武,秦毅斌,赖胜基,胡庭俊,梁保忠,李斌,陈忠伟,胡旭,金锋,孙志勇,韦明宇,张恒博,蓝炳顺.NS复合乳酸菌制剂对断奶仔猪免疫水平的影响[J].动物医学进展,2011(12):51-56.
作者姓名:何颖  赵武  秦毅斌  赖胜基  胡庭俊  梁保忠  李斌  陈忠伟  胡旭  金锋  孙志勇  韦明宇  张恒博  蓝炳顺
作者单位:广西兽医研究所;广西大学动物科学技术学院;中国科学院心理研究所心理健康重点实验室;广西畜牧研究所
基金项目:广西科技攻关项目(桂科攻0992014-5)
摘    要: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土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...

关 键 词:NS复合乳酸菌  断奶仔猪  体液免疫  细胞免疫  T淋巴细胞亚群

Effects of NS-Lactobacillus Complex on Immunity Levels in Weaning Piglets
Institution:HE Ying1,ZHAO Wu1,QIN Yi-bin1,LAI Sheng-ji3,HU Ting-jun3,LIANG Bao-zhong 1,LI Bin1,CHEN Zhong-wei1,HU Xu2,JIN Feng2,SUN Zhi-yong2,WEI Ming-yu4,ZHANG Heng-bo4,LAN Bin-shun4 (1.Veterinary Research Institute of Guangxi,Nanning,Guangxi,530001,China;2.Key Laboratory of Mental Health,Institute of Psychology,Chinese Academy of Sciences,Beijing,100101,China;3.University of Guangxi,Nanning,Guangxi,530004,China;4.Livestock Research Institute of Guangxi,Nanning,Guangxi,530001,China)
Abstract:A total of 90 crossbred piglets(1/2 Large white × 1/2 Duroc,20-day-old,8.99 kg±1.60 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.
Keywords:NS-Lactobacillus complex  weaning piglet  humoral immunity  cellular immunity  T lymphocyte subpopulation
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