Avian influenza viruses from migratory and resident ducks of coastal Louisiana.
作者： D. E. Stallknecht , S. M. Shane , P. J. Zwank , D. A. Senne , M. T. Kearney
DOI: 10.2307/1591427
关键词: Biology 、 Waterfowl 、 Veterinary medicine 、 Disease transmission 、 Anas 、 Neuraminidase 、 Influenza A virus subtype H5N1 、 Aquatic organisms 、 Hemagglutinin (influenza) 、 Aquatic animal
摘要: Abstract Cloacal and tracheal swabs were collected from 1389 hunter-killed ducks in Cameron Parish, Louisiana, during the 1986 1987 waterfowl seasons. Twenty-eight avian influenza viruses (AIVs) isolated 605 blue-winged teal (Anas discors), 75 mottled (A. fulvigula), 375 gadwalls stepera) 334 green-winged crecca). Prevalence estimates of AIV sampled September, November, December through January 3.1%, 2.0%, 0.4%, respectively. Differences prevalence detected by season (P = 0.044) age class 0.036). Two isolations resident document transmission on these wintering areas. Much subtype diversity was present, with nine 13 hemagglutinin (HA) neuraminidase (NA) subtypes recovered. Predominant HA NA typical AIVs commonly associated waterfowl. Results indicate that are transmitted areas, and, although is low, continue to circulate within duck populations winter.
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