猪流行性腹泻灭活苗的免疫研究  

Study on Immunity of PED inactivated Vaccine

作　　者：程庆华[1] 牛小迎[1] 叶成玉 解洪业 李志宁[1] 

机构地区：[1]青海省畜牧兽医科学院

出　　处：《青海畜牧兽医杂志》1995年第1期1-3,共3页Chinese Qinghai Journal of Animal and Veterinary Sciences

摘　　要：应用我省分离的并经长春农牧大学协助确诊的猪流行性腹泻（ＰＥＤ）毒株，进行人工感染仔猪引起典型发病，病愈后能获得坚强免疫力。用该毒株研制的ＰＥＤ灭活苗进行主、被动免疫试验均获得良好免疫效果，７天便可产生免疫力，免疫期测至４个月以上，仍具有良好保护力。田间被动免疫试验的保护率对２月龄仔猪达到９０．４２％，疫苗使用安全，方法简便，具有应用推广价值。Piglets were artificially infected by PED strain,which was isolated in our re-search lab and was identified by Changchun university of Animal Science & Agriculture.Piglets showed typically clinic symptoms and obtained stable immunity. Active and Passiveimmune experiments on the inactivated vaccine of strain proved such ideal results that immu-nity was obtained within 7 days,immune protection lasted for over 4 months. Protection rateof passive immunity in field trail was 90.56%. The vaccine was save,convenient and valubleto extend.

关 键 词：流行性腹泻 灭活苗 免疫 最小感染量 仔猪 

分 类 号：S859.797[农业科学—临床兽医学] S858.282.4[农业科学—兽医学]