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Viral Recombination

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Updated: Dec 7, 2025

Influenza Virus Propagation in Embryonated Chicken Eggs

Influenza Virus Propagation in Embryonated Chicken Eggs

Published on: March 19, 2015

Avian Viruses that Impact Table Egg Production.

Mohamed S H Hassan^1,2, Mohamed Faizal Abdul-Careem¹

¹Faculty of Veterinary Medicine, University of Calgary, Health Research Innovation Center 2C53, 3330 Hospital Drive NW, Calgary, AB T2N 4N1, Canada.

Animals : an Open Access Journal From MDPI

|September 30, 2020

Summary

Avian viral infections significantly impact commercial egg production by damaging the hen's reproductive system, leading to reduced egg quantity and quality. Further research is needed to fully understand these virus-host interactions.

Keywords:

egg production eggshell quality internal egg quality layer reproductive tract viral infection

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Production of High-Titer Infectious Influenza Pseudotyped Particles with Envelope Glycoproteins from Highly Pathogenic H5N1 and Avian H7N9 Viruses

Production of High-Titer Infectious Influenza Pseudotyped Particles with Envelope Glycoproteins from Highly Pathogenic H5N1 and Avian H7N9 Viruses

Published on: January 15, 2020

Area of Science:

Poultry Science
Veterinary Virology
Animal Reproduction

Background:

Eggs are a vital global protein source, but commercial egg production faces challenges from diseases affecting laying hens.
Viral pathogens can cause reproductive lesions in hens, impacting both egg production volume and quality.
Factors like bird age, viral strain, and affected reproductive organ influence disease outcomes.

Purpose of the Study:

To review major avian viral infections affecting egg productivity and quality.
To summarize current knowledge on the mechanisms of viral impact on hen reproduction.
To highlight areas needing further research in avian virology and reproductive health.

Main Methods:

Literature review of scientific publications on avian viral diseases and egg production.
Analysis of reported viral pathogens and their effects on the female reproductive system.
Synthesis of information on virus-host interactions impacting reproductive performance.

Main Results:

Several viral infections are documented to negatively affect egg yield and quality in commercial flocks.
Viral pathogenesis can lead to temporary or permanent reproductive tract damage, reducing laying efficiency.
Understanding virus-host interactions is crucial for mitigating economic losses in the egg industry.

Conclusions:

Avian viral diseases pose a significant threat to the global egg industry by compromising bird health and reproductive capacity.
Continued research into viral mechanisms and host responses is essential for developing effective control strategies.
Protecting hen reproductive health is key to ensuring sustainable and high-quality egg production.