Identification of Migratory Bird Vectors of Avian Influenza Virus (AIV) in North-East of Algeria
Identification of Migratory Bird Vectors of Avian Influenza Virus (AIV) in North-East of Algeria
Hamoudi Naoual1, Alloui Nadir2*, Barberis Abdelhak2 and Boudaoud Amine2
ABSTRACT
Migratory birds, especially Anseriformes, are a primary reservoir and the first source of the avian influenza virus (AIV) introduction. In 2016, following the first official detection of the H9N2 subtype circulation in broiler flocks in Eastern Algeria, a preliminary descriptive study is conducted to identify and enumerate in wetland areas, migratory bird species, known to carry the AIV. The Anatidae population peaked in January 2017 with a total of 8064 birds. The 6 frequent species observed are: Mallard (Anas platyrhynchos), Eurasian teal (Anas crecca), Gadwall (Anas strepera), Eurasian wigeon (Anas penelope) and Common shelduck (Tadorna tadorna). Our observations confirm the diversity of migratory bird species, particularly Anatidae infected with AIV, in the wetlands of Eastern Algeria. Molecular characterization of circulating avian influenza viruses in these wild birds will help assess the potential for spread of these viruses in poultry farms.
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