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OJVRTM
Online Journal of Veterinary Research©

Volume 17(10):566-570, 2013. Redacted 2017.


Heterologous H9N2 avian influenza viral shedding pattern in Alectoris chukar

 

Tavakkoli Hadi1, Mosallanejad Saeedeh2, Noori Samaneh3

 

1Department of Avian Medicine, 3School of Veterinary Medicine, Shahid Bahonar University of Kerman, Kerman, 2School of Veterinary Medicine, Shiraz, Iran

 

ABSTRACT

 

Tavakkoli H, Mosallanejad S, Noori S., Heterologous H9N2 avian influenza viral shedding pattern in Alectoris chukar, Onl J Vet Res., 17(10):566-570, 2013. Avian Influenza is a contagious viral disease and a wide range of bird species are susceptible. H9N2 AI virus is endemic in birds in many countries. Game birds from farms located close to urban areas could spread the virus. The pattern of heterologous H9N2 avian influenza viral shedding in Alectoris chukar is described. Clinical signs were also monitored. Fifteen-day-old commercial Alectoris chukar were inoculated intranasally with a low pathogenic A/Chicken/Iran/SH-110/99(H9N2) virus. Viral shedding was determined using RT- PCR days post inoculation(PI). Virus was detected in the trachea and cloaca of infected birds 9 days PI. The highest frequency of viral detection in the trachea and cloaca was observed 3 and 6 days PI, respectively. Coughing, sneezing, depression and decreased feed and water consumption were observed. The findings suggest that low pathogenic H9N2 AI virus of chicken origin can replicate and shed in a heterologous partridge host and represent an important issue for consideration in the rearing game birds in close proximity to chicken when an H9N2 LPAI outbreak is suspected or confirmed.

 

Keywords: H9N2, Alectoris chukar, RT PCR, Shedding


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