摘要
IBD自1984年在我省流行以来,疫情不断,损失惨重,各地使用各种IBD弱毒苗免疫鸡群,免疫效果欠佳,笔者研制IBD油乳剂组织灭活苗,在一定范围内免疫鸡群,可达91％的保护率。
Since IBD spread in Anhui province in 1984,the disease has been epidemic,and the losses are heavy, In many areas all kinds of IBD attenuated vaccine are used to immunize chickens ,the immune effect is not good enough. The writers made up IBD oily-emulsive tissue inactivated vaccine. Under certain ctrcumstatces it can be used to immunize chickens, the puevention rate is 91%.
关键词
IBD
免疫
灭活
油乳剂
LBD
immunity
inactivation
emulsive
