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重组禽流感病毒(H5+H7)二价灭活疫苗免疫效果初步评价 被引量:4

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摘要 为了解重组禽流感病毒(AIV)(H5+H7)二价灭活疫苗的免疫效果,对9家养禽场8万多羽家禽进行了免疫效果评价。结果显示,免疫后7 d内家禽死亡率低于0.1%,产蛋率下降幅度小于3%;按照推荐剂量免疫1次,H7亚型禽流感免疫抗体合格率达到90%以上,H5亚型禽流感免疫抗体合格率则低于30%,免疫2次后H5亚型禽流感免疫抗体合格率达到90%以上。分析认为,政府统一供应的重组禽流感病毒(H5+H7)二价灭活疫苗免疫副反应小,可放心使用,但须免疫2次才能产生良好的免疫效果。该试验对执行国家禽流感强制免疫政策、提高免疫效果具有实践指导意义。
出处 《湖北畜牧兽医》 2018年第8期10-12,共3页 Hubei Journal of Animal and Veterinary Sciences
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