onr:"swepub:oai:DiVA.org:lnu-32949"
Sökning: onr:"swepub:oai:DiVA.org:lnu-32949" > A 4-year study of a...
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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 03514naa a2200385 4500 | |
| 001 | oai:DiVA.org:lnu-32949 | |
| 003 | SwePub | |
| 008 | 140317s2013 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-329492 URI |
| 024 | 7 | a https://doi.org/10.1139/cjm-2013-05072 DOI |
| 040 | a (SwePub)lnu | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Huang, Yanyanu Mem Univ Newfoundland, Canada4 aut |
| 245 | 1 0 | a A 4-year study of avian influenza virus prevalence and subtype diversity in ducks of Newfoundland, Canada. |
| 264 | 1 | b Canadian Science Publishing,c 2013 |
| 338 | a print2 rdacarrier | |
| 520 | a The island of Newfoundland, Canada, is at the eastern edge of North America and has migratory bird connections with the continental mainland as well as across the North Atlantic Ocean. Here, we report a 4-year avian influenza virus (AIV) epidemiological study in ducks in the St. John's region of Newfoundland. The overall prevalence of AIV detection in ducks during this study was 7.2%, with American Black Ducks contributing the vast majority of the collected samples and the AIV positives. The juvenile ducks showed a significantly higher AIV detection rate (10.6%) compared with adults (3.4%). Seasonally, AIV prevalence rates were higher in the autumn (8.4%), but positives were still detected in the winter (4.6%). Preliminary serology tests showed a high incidence of previous AIV infection (20/38, 52.6%). A total of 43 viruses were characterized for their HA-NA or HA subtypes, which revealed a large diversity of AIV subtypes and little recurrence of subtypes from year to year. Investigation of the movement patterns of ducks in this region showed that it is a largely non-migratory duck population, which may contribute to the observed pattern of high AIV subtype turnover. Phylogenetic analysis of 4 H1N1 and one H5N4 AIVs showed these viruses were highly similar to other low pathogenic AIV sequences from waterfowl in North America and assigned all gene segments into American-avian clades. Notably, the H1N1 viruses, which were identified in consecutive years, possessed homologous genomes. Such detection of homologous AIV genomes across years is rare, but indicates the role of the environmental reservoir in viral perpetuation. | |
| 650 | 7 | a NATURVETENSKAPx Biologix Mikrobiologi0 (SwePub)106062 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Biological Sciencesx Microbiology0 (SwePub)106062 hsv//eng |
| 653 | a Mikrobiologi | |
| 653 | a Microbiology | |
| 700 | 1 | a Wille, Michelleu Mem Univ Newfoundland, Canada,Zoonotic Ecology and Epidemiology4 aut0 (Swepub:lnu)miwiab |
| 700 | 1 | a Dobbin, Ashleyu Mem Univ Newfoundland, Canada4 aut |
| 700 | 1 | a Robertson, Gregory Ju Environm Canada, Wildlife Res Div, Canada4 aut |
| 700 | 1 | a Ryan, Pierreu Environm Canada, Canadian Wildlife, Canada4 aut |
| 700 | 1 | a Ojkic, Davoru Univ Guelph, Canada4 aut |
| 700 | 1 | a Whitney, Hughu Newfoundland & Labrador Dept Nat Resources, Canada4 aut |
| 700 | 1 | a Lang, Andrew Su Mem Univ Newfoundland, Canada4 aut |
| 710 | 2 | a Mem Univ Newfoundland, Canadab Zoonotic Ecology and Epidemiology4 org |
| 773 | 0 | t Canadian journal of microbiology (Print)d : Canadian Science Publishingg 59:10, s. 701-708q 59:10<701-708x 0008-4166x 1480-3275 |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-32949 |
| 856 | 4 8 | u https://doi.org/10.1139/cjm-2013-0507 |
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