摘要
对鸡传染性法氏囊病弱毒苗Bursine-2,D_(78),TAD进行复制,免疫21日龄雏鸡,14天后AGD抗体阳性率达90%~100%,用从本地分离的S_(-9302)强毒1:10囊乳剂0.2ml/只滴鼻、点眼、口服攻毒,结果对照组100%发病,50%死亡,试验组100%保护,获得较好的免疫效果。
Infectious Bursal Disease (IBD)Attenuated Vaccine B_(-2),D_(78) and TAD were du-plicated and vaccinated in 21day old chick, after 14 days the positive rate of AGP antibodywas 90%~100%. In addition,A bursal emulsion(S_(-9302))produced by virulent virus was usedin vaccinated and non-vaccinated chicks. the bursal emulsion was dropped in eyes,nostril andper. os with a dosage of 0.2ml(10%)per chick. All of the non-vaccinated animals sufferedfrom IBD and half of them died,While no chicks in vaccinated group died.
出处
《青海畜牧兽医杂志》
1995年第6期27-28,共2页
Chinese Qinghai Journal of Animal and Veterinary Sciences
关键词
鸡病
IBD
弱毒苗
免疫
chicken Infectious Bursal Disease (IBD), Attenuated vaccine,Immunization