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OJVRTM

 

Online Journal of Veterinary Research©

(Including Medical and Laboratory Research)

Established 1994

ISSN 1328-925X

 

Volume 28 (12): 853-859, 2024.


Residence time of H9N2 avian influenza virus in lung and kidney of vaccinated broilers.

 

Tavakkoli Hadi

 

School of Veterinary Medicine, University of Kerman, Iran.

 

ABSTRACT

 

Hadi T., Residence time of H9N2 avian influenza virus in lung and kidney of vaccinated broilers, Onl J Vet Res., 28 (12): 853-859, 2024. RT-PCR assay was performed to compare duration of H9N2 avian influenza virus in lung and kidney of broilers 3, 7, 11 and 15 days after vaccination.  Thirty day old commercial broiler chicken were inoculated intranasaly with H9N2 low pathogenic avian influenza virus. Five chickens were randomly selected on days 3, 7, 11 and 15 after vaccination for lung and kidney virus. We found virus in lung ~20% on day 3, 80% day 7, 20% day 11 and none on day 15 and in kidneys ~20% on day 3, 80% day 7, 20% day 11 and 20% day 15 after vaccination. Results suggest that H9N2 avian influenza subtype replicates in body of chickens but remains in kidney longer.

 

Keywords: Avian influenza, Broiler, H9N2, Low pathogenic avian influenza, RT-PCR.


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