How to Break through the Bottlenecks of in Ovo Vaccination in Poultry Farming

文献类型： 外文期刊

第一作者： Li, Xuefeng

作者： Li, Xuefeng;Liu, Xiaoxiao;Zhang, Yu;Li, Hai;Li, Xuefeng;Liu, Xiaoxiao;Zhang, Yu;Li, Hai;Cui, Lu;Liu, Zheyi

作者机构：

关键词： in ovo vaccination; vaccines; poultry disease; adaptive immunity

期刊名称：VACCINES （ 影响因子：7.8； 五年影响因子：7.4 ）

ISSN：

年卷期： 2024 年 12 卷 1 期

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收录情况： SCI

摘要： Poultry farming is one of the pillar industries of global animal husbandry. In order to guarantee production, poultry are frequently vaccinated from the moment they are hatched. Even so, the initial immunity of chicks is still very poor as they are in the "window period" of immune protection. In ovo vaccination pushes the initial immunization time forward to the incubation period, thereby providing earlier immune protection for chicks. In ovo vaccination is currently a research hotspot of poultry disease prevention and control, which is in line with the intensification of poultry production. However, the vaccines currently available for in ovo vaccination are limited and cannot meet the needs of industrial development, so how to efficiently activate the adaptive immune response of chicken embryos becomes the key to restrict product development and technological progress of in ovo vaccination. Its breakthrough, to a large extent, depends on systematic illustration of the mechanism underlying the adaptive immune response post immunization. Clarification of this issue will provide us with theoretical support and potential solutions for the development of novel vaccines for in ovo vaccination, the augmentation of efficacy of current vaccines and the optimization of immune programs.

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