2010
DOI: 10.1637/9228-010410-resnote.1
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Potential of Low Pathogenicity Avian Influenza Viruses of Wild Bird Origin to Establish Experimental Infections in Turkeys and Chickens

Abstract: The potential of low pathogenicity (LP) avian influenza virus (AIV) isolates of wild bird origin to establish infection in commercial turkeys and broiler chickens was studied. Isolates, representing subtypes H5N1, H7N3, H6N2, and H3N6, were recovered in 2005 and 2006 from waterfowl and shorebirds in the Delmarva Peninsula region of the east coast of the United States. The LP AIV isolates were not pathogenic for 2-wk-old meat-type turkeys and broiler chickens. No mortality, clinical signs, or gross lesions were… Show more

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Cited by 14 publications
(7 citation statements)
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“…Ladman et al [16] examined the upper respiratory and the intestinal tract of turkeys and chickens after inoculation of different LPAI viruses, including the mallard isolates H5N1 and H7N3. H5N1 LPAIV could only be isolated from the upper respiratory tract of turkeys, while H7N3 LPAIV was isolated from the upper respiratory and the intestinal tract of both turkeys and chickens.…”
Section: Resultsmentioning
confidence: 99%
“…Ladman et al [16] examined the upper respiratory and the intestinal tract of turkeys and chickens after inoculation of different LPAI viruses, including the mallard isolates H5N1 and H7N3. H5N1 LPAIV could only be isolated from the upper respiratory tract of turkeys, while H7N3 LPAIV was isolated from the upper respiratory and the intestinal tract of both turkeys and chickens.…”
Section: Resultsmentioning
confidence: 99%
“…Avian influenza viruses (AIV) are carried subclinically by a variety of waterfowl inhabiting the Chesapeake Bay region [18]. Low pathogenic avian influenza viruses (LPAIV) are regularly detected from both resident and migratory waterfowl in the mid-Atlantic region at a low to moderate frequency [19,20].…”
Section: Discussionmentioning
confidence: 99%
“…Only mild lesions (sinusitis) were observed at necropsy of chickens inoculated intrachoanally with LPAI H7N9 (Spackman et al., ) and many LPAI viruses do not induce gross lesions in chickens, as, for instance, those reported for isolates derived from 2005–2006 in outbreak of LPAIV from in Japan (Okamatsu et al., ). LPAIV H5N1 and H7N3 isolates of wild bird origin were not pathogenic in turkeys and chickens (Ladman et al., ). Overall, LPAIV very rarely causes visible lesions on the carcasses of Galliformes birds that can be detected during meat inspection.…”
Section: Assessment Of Lpaiv Transmission Via Raw Poultry Meatmentioning
confidence: 99%