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Registros recuperados: 4
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Wild Bird Movements and Avian Influenza Risk Mapping in Southern Africa Ecology and Society
Cumming, Graeme S.; Percy FitzPatrick Institute, DST/NRF Center of Excellence, University of Cape Town, Rondebosch, 7701, South Africa; graeme.cumming@uct.ac.za; Hockey, Philip A. R.; Percy FitzPatrick Institute, DST/NRF Center of Excellence, University of Cape Town, Rondebosch, 7701, South Africa; phil.hockey@uct.ac.za; Bruinzeel, Leo W.; Percy FitzPatrick Institute, DST/NRF Center of Excellence, University of Cape Town, Rondebosch, 7701, South Africa; lbruinze@adu.uct.ac.za; Du Plessis, Morne A.; Percy FitzPatrick Institute, DST/NRF Center of Excellence, University of Cape Town, Rondebosch, 7701, South Africa; mornedup@vodamail.co.za.
Global analyses of the potential for avian influenza transmission by wild birds have ignored key characteristics of the southern African avifauna. Although southern Africa hosts a variety of migratory, Holarctic-breeding wading birds and shorebirds, the documented prevalence of avian influenza in these species is low. The primary natural carriers of influenza viruses in the northern hemisphere are the anatids, i.e., ducks. In contrast to Palearctic-breeding species, most southern African anatids do not undertake predictable annual migrations and do not follow migratory flyways. Here we present a simple, spatially explicit risk analysis for avian influenza transmission by wild ducks in southern Africa. We developed a risk value for each of 16 southern...
Tipo: Peer-Reviewed Reports Palavras-chave: Anatidae; Avian influenza; Botswana; Ducks; Influenza; Landscape ecology; Namibia; Pathogen; South Africa; Virus; Waterfowl; Zimbabwe..
Ano: 2008
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The type-locality of Pteronetta hartlaubii (Cassin, 1859) (Aves, Anatidae) Naturalis
Mees, G.F..
Currently, the type locality of Pteronetta hartlaubii is considered to be the Camma River, Gabon, but this is an error, and must be Rio Boutry, Gold Coast (now Ghana), where the holotype was obtained by H.S. Pel. In a note, reference is made to a few other specimens obtained by the collectors Pel and Nagtglas which in recent literature have been overlooked.
Tipo: Article / Letter to the editor Palavras-chave: Anatidae; Pteronetta hartlaubii; Type locality; Gabon; Ghana; West Africa; 42.83.
Ano: 2003 URL: http://www.repository.naturalis.nl/record/220307
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Novos Hospedeiros para o Ácaro Nasal Rhinonyssus rhinolethrum (Trouessart) (Gamasida: Rhinonyssidae) no Brasil Neotropical Entomology
Mascarenhas,Carolina S; Brum,João G W; Coimbra,Marco A A; Sinkoc,Afonso L.
O cisne-do-pescoço-preto, Cygnus melanocoryphus, e a marreca-de-coleira, Callonetta leucophrys, são relatados como novos hospedeiros para o ácaro nasal Rhinonyssus rhinolethrum (Trouessart) no Brasil.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Acari; Ave; Anatidae.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2009000500024
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First report of the digenetic trematode Psilochasmus oxyurus (Creplin) in the domestic goose, Anser anser (Linnaeus) in South America Zoologia
Fernandes,Berenice M. M.; Menezes,Rodrigo C.; Tortelly,Rogério; Noronha,Dely; Pinto,Roberto M..
The digenetic trematode Psilochasmus oxyurus (Creplin, 1835) Lühe, 1909, although with a large geographical distribution, is referred in geese (Anser anser Linnaeus, 1758) for the first time in South America, on the basis of specimens parasitizing Brazilian domestic geese, with a prevalence of 20%. Brief morphometric data on the parasites are included. Clinical signs, gross and microscopic lesions were not observed in the birds.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Anatidae; Anseriformes; Birds; Brazil; Digeneans; Psilostomidae.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752007000200037
Registros recuperados: 4
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