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Comparison of the Effectiveness of Two Different Vaccination Regimes for Avian Influenza H9N2 in Broiler Chicken

Published: December 21, 2020

Summary

1. Introduction The poultry industry has been suffering from several pathogens in Egypt during recent decades, including avian influenza viruses (AIV) that may be either highly pathogenic avian influenza (HPAIV; H5N1, H5N2, H5N8) or low-pathogenic avian influenza (LPAIV; H9N2) viruses, velogenic Newcastle disease virus (vNDV), infectious bronchitis virus (IBV; variant 1, variant 2, and classic...

Related topics:

#Avian influenza

#Poultry vaccines

Authors:

Shaimaa Mohamed Talaat

Reham R. Abouelmaatti

Mohamed Mohamed Abdel-Daim

Wael Elfeil

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Mohamed Swelam

30 de diciembre de 2024

Very informative and very good job...
I would like to ask if is there any data about the comparison between the vaccinated and non-vaccinated groups in mortality rate,
Is the statistical P value of the HI test at 21-28 days considering significant differences between vaccination at 1 - 7 days of age?
And does the amount of shedding between different groups have a negative impact on other birds or with a low amount that may not significantly affect them?
Thanks in advance

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Comparison of the Effectiveness of Two Different Vaccination Regimes for Avian Influenza H9N2 in Broiler Chicken

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