Veterinary Research Forum
Vet Res Forum

Prevalence of avian metapneumovirus subtype B in live bird market in‎ Gilan province, Iran

Document Type : Short Communication

Authors

Pouria Motamed Chaboki 1
Arash Ghalyanchilangeroudi 1
Vahid Karimi 2
Hamed Abdollahi 3
Hossein Maghsoudloo 3
Hossein Hosseini 4
Reza Khaltababdi Farahahni 3
Seyed Ali Ghafouri 3
Mohammad Hossein Falah 5
Hussein Rezaee 1

1 Department of Microbiology and Immunology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran

2 Department of Poultry Diseases, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran

3 Iranian Veterinary Organization, Tehran, Iran

4 Department of Clinical Sciences, Faculty of Veterinary Medicine, Islamic Azad University, Karaj Branch, Karaj, Iran

5 Razi Vaccine and Serum Research Institute , Tehran ,Iran

Abstract
Avianmetapneumovirus (aMPV), also known as avian pneumovirus or turkey rhinotracheitis virus, is the causative agent of turkey rhinotracheitis and swollen head syndrome in chickens. Four aMPV subgroups (A-D) have been reported previously based on their genetic and antigenic differences. Evidence suggests that the live bird markets (LBMs) play an important role in the epidemiology of the avian viral diseases. A total number of 450 oropharyngeal samples from eight different species of birds (migratory and local) were collected from LBMs of Gilan province, Iran, from October to December 2016. The presence of aMPV was determined by reverse transcription polymerase chain reaction (RT-PCR) based on nucleoprotein gene. The aMPV was detected in 30.60% of the examined birds including chickens (37.00%), turkey (33.00%), Eurasian teal (25.00%), common blackbird (33.00%), and Eurasian woodcock (25.00%). Bioinformatics analysis and a phylogenetic tree based on partial nucleotide sequences of the N gene showed that the detected aMPVs were belonged to subtype B. This is the first report of aMPV in non-commercial birds in Iran. Knowledge of the frequency and types of infected birds with pneumoviruses allow a better understanding of the epidemiology of aMPV in Iran.

Keywords

Avian metapneumovirus
‎ Iran
‎ Live bird market
‎ Phylogenetic analysis

Subjects

  1.  

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Veterinary Research Forum
Volume 9, Issue 1
Winter 2018
Pages 93-97

  • Receive Date 22 April 2017
  • Revise Date 02 August 2017
  • Accept Date 07 August 2017

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