Avian Metapneumovirus infections in chickens and turkeys and poultry vaccines Avian Metapneumovirus (aMPV) or avian pneumovirus (APV) principally causes respiratory disease and egg production drops in turkeys and chickens. Control is acheived by improved biosecurity and vaccination with products such as Nobilis Rhino CV, Nobilis RTV 8544, Nobilis TRT and/or Nobilis RT inac and combinations. Avian-pneumovirus.com~Site InfoWhoisTrace RouteRBL Check