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OJVRTM

Online Journal of Veterinary Research©

Volume 20(7):492-497, 2016.


 

Effects of H9N2 avian influenza virus in Serinus waterslager canaries.

 

Hadi Tavakkoli1, Elahe Moeini2*

 

1Department of Clinical Science, Faculty of Veterinary Medicine, Shahid Bahonar University of Kerman,  2Young Researchers and Elite Club, Baft Branch, Islamic Azad University, Baft, Iran.

 

ABSTRACT

 

Tavakkoli H, Moeini E., Effects of H9N2 avian influenza virus in Serinus waterslager canaries., Onl J Vet Res., 20(7):492-497, 2016.  Twelve 5 month old waterslager canaries were inoculated intranasally with heterologous low pathogenic H9N2 avian influenza virus. Viral titers in tracheal and cloacal swabs were determined by TaqMan real time PCR. Clinical signs, replication and excretion time of the virus were then assessed. Five birds exhibited decreased activity, lethargy, ruffled feathers and decreased feed consumption. Viruses were detected in tracheal swabs by day 3 and cloacal ones at day 4 post inoculation and maximum titers at days 2 and 3 in same swabs. Virus was recovered from cloaca longer compared with tracheal virus. Clinical signs and excretion patterns suggest that a low pathogenic H9N2 avian influenza virus can replicate in canaries inducing mild clinical signs and that it could play a role in the epidemiology of influenza affecting poultry and public health.

 

Keywords: Canary, H9N2, Real time PCR, Serinus canaries, Waterslager.


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