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Avian Metapneumovirus (aMPV) principally causes disease in turkeys and chickens. Pheasants and guinea fowl are also susceptible, and antibodies to the virus have also been demonstrated in wild birds and other domestic species.

Disease in chickens and turkeys

The virus replicates in the respiratory tract and the reproductive tract. It initially causes respiratory disease in infected birds and may also cause drops in egg production in layers and breeders. Infection in turkeys is commonly referred to as “Turkey Rhinotracheitis” and in chickens aMPV infection is commonly associated with the condition known as “Swollen Head Syndrome” (SHS).

Control of aMPV

Control is by improved biosecurity and vaccination with live and inactivated vaccines.

About the website

Avian-pneumovirus.com is the first peer reviewed website with a specific focus on Avian Metapneumovirus infections. The aim of the site is to provide a platform for peer reviewed disease information, current news items and vaccination information.

International versions

This website is available in:

• Spanish
• Portuguese