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Li X, Liu X, Cui L, Liu Z, Zhang Y, Li H. How to Break through the Bottlenecks of in Ovo Vaccination in Poultry Farming. Vaccines (Basel) 2023; 12:48. [PMID: 38250861 PMCID: PMC10821430 DOI: 10.3390/vaccines12010048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 12/15/2023] [Accepted: 12/30/2023] [Indexed: 01/23/2024] Open
Abstract
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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Affiliation(s)
- Xuefeng Li
- Department of Pathogenic Microbiology and Immunology, School of Basic Medical Sciences, Xi’an Jiaotong University, Xi’an 710061, China; (X.L.); (X.L.)
- Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi’an 710061, China
| | - Xiaoxiao Liu
- Department of Pathogenic Microbiology and Immunology, School of Basic Medical Sciences, Xi’an Jiaotong University, Xi’an 710061, China; (X.L.); (X.L.)
- Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi’an 710061, China
| | - Lu Cui
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, National Poultry Laboratory Animal Resource Center, Harbin Veterinary Research Institute, the Chinese Academy of Agricultural Sciences, Harbin 150069, China; (L.C.); (Z.L.)
| | - Zheyi Liu
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, National Poultry Laboratory Animal Resource Center, Harbin Veterinary Research Institute, the Chinese Academy of Agricultural Sciences, Harbin 150069, China; (L.C.); (Z.L.)
| | - Yu Zhang
- Department of Pathogenic Microbiology and Immunology, School of Basic Medical Sciences, Xi’an Jiaotong University, Xi’an 710061, China; (X.L.); (X.L.)
- Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi’an 710061, China
| | - Hai Li
- Department of Pathogenic Microbiology and Immunology, School of Basic Medical Sciences, Xi’an Jiaotong University, Xi’an 710061, China; (X.L.); (X.L.)
- Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi’an 710061, China
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