Avian Influenza Viruses and Avian Paramyxoviruses in Wintering and Breeding Waterfowl Populations in North Carolina, USA

作者：Goekjian Virginia H; Smith Jennifer T; Howell Doug L; Senne Dennis A; Swayne David E; Stallknecht David E^*

来源：Journal of Wildlife Diseases, 2011, 47(1): 240-245.

• Avian influenza viruses
• avian paramyxoviruses
• ducks
• North Carolina
• wintering areas
• wood ducks

Although wild clucks are recognized reservoirs for avian influenza viruses (AIM) and avian paramyxoviruses (APMVs), information related to the prevalence of these viruses in breeding and migratory, duck populations on North American wintering grounds is limited. Wintering (n=2,889) and resident breeding (n=524) clucks were sampled in North Carolina during winter 2004-2006 and summer 2005-2006, respectively. Overall prevalence of AIV was 0.8% and restricted to the winter sample; however, prevalence in species within the genus An as was 1.3% and was highest in Black Ducks (7%; Anas rubripes) and Northern Shovelers (8%; Arias elypeata). Of the 24 ATVs, 16 subtypes were detected, representing nine hemagglutinin and seven neuraminidase subtypes. Avian paramyxoviruses detected in wintering birds included 1.8 APMV-1s, 1.5 APMV-4s, and one APMV-6. During summers 2005 and 2006, a high prevalence of APMV-1 infection was observed in resident breeding Wood Ducks (Aix sponsa) and Mallards (Anas platyrhynehos).

• 出版日期2011-1