Results 61 to 70 of about 30,486 (252)

Isolation and characterization of H4N6 avian influenza viruses from mallard ducks in Beijing, China.

PLoS ONE, 2017
The novel H7N9 influenza virus, which has caused severe disease in humans in China, is a reassortant with surface genes derived from influenza viruses in wild birds. This highlights the importance of monitoring influenza viruses in these hosts.
Junyi Hu, Xinyi Xu, Chenxi Wang, Guoxia Bing, Honglei Sun, Juan Pu, Jinhua Liu, Yipeng Sun   +7 more
doaj   +1 more source

Global analysis of annual survival among shorebirds reveals a negative effect of migration distance and a decline in recent decades

Oikos, EarlyView.
Annual survival is a key demographic parameter driving population trends in wildlife populations. However, despite numerous species‐specific or regional studies, global reviews of the factors affecting the survival of declining taxa remain scarce. Here, we investigated annual survival of fledged immature and adult shorebirds, a globally‐distributed and
Guillaume Dillenseger, Christopher H. J. Sparkes, Tamás Székely, Brett K. Sandercock, Robert P. Freckleton, Vojtěch Kubelka   +5 more
wiley   +1 more source

From the brink of extinction to regulation: northern Europe's white‐tailed eagles now face density dependence and climate constraints after rapid population growth

Oikos, EarlyView.
Population growth reflects the combined influence of regulation and density‐independent factors operating through demographic processes. Under exceptional circumstances (e.g. populations recovering from near‐extinction), growth may initially be weakly regulated but typically slows as negative density dependence (NDD) sets in.
Bård‐Jørgen Bårdsen, Elisabeth Hansen, Jan Ove Bustnes   +2 more
wiley   +1 more source

Avian influenza infections in birds – a moving target [PDF]

Influenza and Other Respiratory Viruses, 2007
Avian influenza (AI) is a complex infection of birds, of which the ecology and epidemiology have undergone substantial changes over the last decade. Avian influenza viruses infecting poultry can be divided into two groups. The very virulent viruses cause highly pathogenic avian influenza (HPAI), with flock mortality as high as 100%.
Capua, Ilaria, Alexander, Dennis J.
openaire   +2 more sources

Feathers and flu: identifying data gaps in avian influenza host dynamics to prioritize wildlife conservation Plumas y gripe: identificación de datos faltantes en la dinámica de hospedadores de la influenza aviar para priorizar la conservación de la vida silvestre

Wildlife Monographs, EarlyView.
We describe the host response continuum for highly pathogenic avian influenza viruses (HPAIV), including the continuum of host responses to HPAIV infection and exposure based on the primary axis of host competence, ability to infect other hosts, and host vulnerability.
Johanna A. Harvey, Matthew Gonnerman, Shenglai Yin, Cody M. Kent, Joshua Cullen, Jeffery D. Sullivan, Jonathan B. Dain, Nichola J. Hill, Diann J. Prosser, Jennifer M. Mullinax   +9 more
wiley   +1 more source

Application of chicken microarrays for gene expression analysis in other avian species [PDF]

, 2009
With the threat of emerging infectious diseases such as avian influenza, whose natural hosts are thought to be a variety of wild water birds including duck, we are armed with very few genomic resources to investigate large scale immunological gene ...
Moore, Robert J, Burggraaf, Simon, Crowley, Tamsyn M, Haring, Volker R   +3 more
core   +1 more source

Nesting ecology of an ice‐associated seabird, Kittlitz's murrelet, at the northern edge of its range

Wildlife Society Bulletin, EarlyView.
We studied the Kittlitz's murrelet, an ice‐associated seabird of conservation concern, at the northern edge of its range. Over a 2‐year period, we estimated nest density and success at 2 sites, captured and telemetered nesting murrelets, and tested the use of a thermal camera to improve nest detection.
Michelle L. Kissling, Molly C. McDevitt, Jonathan J. Felis, William Crisci, Zachary Pohlen, Ryan Ongtowasruk, Daniel L. Perret, Paul M. Lukacs, James A. Johnson, Metrona Mazonna   +9 more
wiley   +1 more source

Ducks across the pond ‐ challenges and opportunities for collaboration between North America and Europe

Wildlife Society Bulletin, EarlyView.
Abstract Many waterfowl species and closely related congeners are shared across the Holarctic, and are culturally and economically important in both North America and Europe. Accordingly, both continents have developed science and management frameworks in an attempt to establish evidence‐based conservation practices for this guild of birds.
Kevin M. Ringelman, Céline Arzel, Tom C. Cameron, Gunnar Gunnarsson, Aleksi Lehikoinen, Pär Söderquist, Iben Hove Sørensen, Matthieu Guillemain   +7 more
wiley   +1 more source

Multiyear surveillance of influenza A virus in wild birds in Portugal [PDF]

Avian Pathology, 2011
This report presents the results of a multiyear (2005 to 2009) study of avian influenza virus (AIV) occurrence in wild birds in Portugal. A total of 5691 samples from wild birds belonging to 13 different orders were examined. Ninety-three samples tested positive for AIV by matrix reverse transcriptase-polymerase chain reaction, giving a total ...
Henriques, Ana Margarida, Fagulha, Teresa, Barros, Sílvia C, Ramos, Fernanda, Duarte, Margarida, Luis, Tiago, Fevereiro, Miguel   +6 more
openaire   +2 more sources

All roads lead to infection: A mechanistic model to assess transmission routes of brucellosis in a wild ungulate population

Functional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Wildlife and domestic populations frequently share diseases with a potential for cross‐species transmission, posing significant threats to animal and human health, economy and biodiversity conservation.
Rémi Fay, Sébastien Lambert, Anne Thébault, Pascal Marchand, Ariane Payne, Elodie Petit, Carole Toïgo, Emmanuelle Gilot‐Fromont   +7 more
wiley   +1 more source