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. 2017 Spring;8(2):105-108.
Epub 2017 Jun 15.

Detection and subtyping avian metapneumovirus from turkeys in Iran

Mansour Mayahi  1 , Hassan Momtaz  2 , Ramezan Ali Jafari  1 , Pejman Zamani  3
Affiliations

Detection and subtyping avian metapneumovirus from turkeys in Iran

Mansour Mayahi et al. Vet Res Forum. 2017 Spring.

Abstract

Avian metapneumovirus (aMPV) causes diseases like rhinotracheitis in turkeys, swollen head syndrome in chickens and avian rhinotracheitis in other birds. Causing respiratory problems, aMPV adversely affects production and inflicts immense economic losses and mortalities, especially in turkey flocks. In recent years, several serological and molecular studies have been conducted on this virus, especially in poultry in Asia and Iran. The purpose of the present study was detecting and subtyping aMPV by reverse transcriptase polymerase chain reaction (RT-PCR) from non-vaccinated, commercial turkey flocks in Iran for the first time. Sixty three meat-type unvaccinated turkey flocks from several provinces of Iran were sampled in major turkey abattoirs. Samples were tested by RT-PCR for detecting and subtyping aMPV. The results showed that 26 samples from three flocks (4.10%) were positive for viral RNA and all of the viruses were found to be subtype B of aMPV. As a result, vaccination especially against subtype B of aMPV should be considered in turkey flocks in Iran to control aMPV infections.

Keywords: Avian metapneumovirus; Iran; RT-PCR; Turkey.

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Figures

Fig. 1
Fig. 1
A: Ladder, B and C: Positive samples, D: Negative control, E: Positive control, F: Negative control, G: Positive control, H and I: Positive samples, (B to E are Nd/Nx primer’s products and F to I are Ga/Gy products
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