Results 41 to 50 of about 7,058 (157)

Pacific and Atlantic sea lion mortality caused by highly pathogenic Avian Influenza A(H5N1) in South America

Travel Medicine and Infectious Disease
We describe the evolution of the outbreak of Highly Pathogenic Avian Influenza (HPAI) A(H5N1) in sea lions (Otaria flavescens) of South America. At least 24,000 sea lions died in Peru, Chile, Argentina, Uruguay, and Brazil between January–October 2023 ...
Pablo I. Plaza, Víctor Gamarra-Toledo, Juan Rodríguez Euguí, Natalia Rosciano, Sergio A. Lambertucci   +4 more
doaj   +1 more source

From mammals back to birds: Host-switch of the acanthocephalan Corynosoma australe from pinnipeds to the Magellanic penguin Spheniscus magellanicus. [PDF]

PLoS ONE, 2017
Trophically-transmitted parasites are regularly exposed to potential new hosts through food web interactions. Successful colonization, or switching, to novel hosts, occur readily when 'donor' and 'target' hosts are phylogenetically related, whereas ...
Jesús Servando Hernández-Orts, Martha Brandão, Simona Georgieva, Juan Antonio Raga, Enrique Alberto Crespo, José Luis Luque, Francisco Javier Aznar   +6 more
doaj   +1 more source

Avian influenza overview June–August 2026

EFSA Journal, Volume 24, Issue 9, September 2026.
Abstract Between 5 June and 28 August 2026, 110 highly pathogenic avian influenza (HPAI) A(H5N1) virus detections were reported in domestic (7) and wild (103) birds in 12 countries in Europe. The number of detections remained at a seasonal low throughout the summer, continuing the decline observed since spring.
European Food Safety Authority (EFSA), European Centre for Disease Prevention and Control (ECDC), European Union Reference Laboratory for Avian Influenza (EURL), Cyril Barbezange, Mariette Ducatez, Alice Fusaro, Jose L. Gonzales, Thijs Kuiken, Raffaella Melilli, Gražina Mirinavičiūtė, Karl Ståhl, Christoph Staubach, Olov Svartström, Calogero Terregino, Katriina Willgert, Evelyn Alarcón, Lisa Kohnle   +16 more
wiley   +1 more source

Past and Future Shifts in Marine Species Distributions Across Two South American Large Marine Ecosystems

Journal of Biogeography, Volume 53, Issue 8, August 2026.
ABSTRACT Aim To quantify temporal (Middle Holocene, historical and future) and spatial changes in habitat suitability for marine species in two South American Large Marine Ecosystems, and to evaluate the ecological consistency of long‐term Species Distribution Model projections using archaeological records as independent evidence of past species ...
Maria Bas, Sofía Diéguez Díaz, Jazel Ouled‐Cheikh, Marta Coll   +3 more
wiley   +1 more source

Avian influenza overview March–May 2026

EFSA Journal, Volume 24, Issue 7, July 2026.
Abstract Between 28 February and 4 June 2026, 949 highly pathogenic avian influenza (HPAI) A(H5) virus detections were reported in domestic (186) and wild (763) birds in 30 countries in Europe. The downward trend in the number of detections observed at the end of the previous reporting period continued and is expected to persist throughout the summer ...
European Food Safety Authority (EFSA), European Centre for Disease Prevention and Control (ECDC), European Union Reference Laboratory for Avian Influenza (EURL), Hubert Buczkowski, Mariette Ducatez, Alice Fusaro, Jose L Gonzales, Thijs Kuiken, Gražina Mirinavičiūtė, Karl Ståhl, Christoph Staubach, Olov Svartström, Calogero Terregino, Katriina Willgert, Evelyn Alarcón, Lisa Kohnle   +15 more
wiley   +1 more source

Campylobacter insulaenigrae: first isolation report from south american sea lion (Otaria flavescens, (Shaw, 1800) [PDF]

, 2011
Campylobacter insulaenigrae have been isolated from different pinnipeds but not from South American sea lion (Otaria flavescens). The aim of this work is to report the first isolation of C.
Villanueva, M.P., Fernández, H., González, M., Debruyne, L., Vandamme, P.   +4 more
core  

Filogeografia do leão-marinho-do-sul, otaria flavescens shaw 1800 [PDF]

, 2009
Neste estudo investigamos a estrutura populacional do leão-marinho-do-sul (Otaria flavescens), um otarideo amplamente distribuído ao longo das costas dos oceanos Atlântico e Pacífico na América do Sul, e que foi extremamente caçado durante os dois ...
Gehara, Marcelo Coelho Miguel
core   +1 more source

Anthropozoonotic Parasites Circulating in Synanthropic and Pacific Colonies of South American Sea Lions (Otaria flavescens): Non-invasive Techniques Data and a Review of the Literature

Frontiers in Marine Science, 2020
Since late 1970s, the southern Chilean city Valdivia constitutes home for a unique bachelor group of South American sea lions (Otaria flavescens), initially descendant from colonies at the Pacific coast, but now directly living in a freshwater habitat in
David Ebmer, María José Navarrete, María José Navarrete, Pamela Muñoz, Luis Miguel Flores, Ulrich Gärtner, Jan Brabec, Sven Poppert, Sven Poppert, Anja Taubert, Carlos Hermosilla   +10 more
doaj   +1 more source

Primer registro en Chile de Antarctophthirus microchir (Anoplura) en lobo marino común (Otaria flavescens) [PDF]

, 2008
The ectoparasitic fauna associated to marine mammals is scarcely known in Chile. This report deals with a sample of Anoplura parasites collected from adult and juvenile Otaria flavescens, the southern sea lion, at the Los Lagos Region, Chile.
Silva, R., Crovetto, A., Franjola, R.
core   +1 more source

Mycobacterium pinnipedii in a captive Southern sea lion (Otaria flavescens): a case report

Veterinární Medicína, 2011
Mycobacterium pinnipedii causes tuberculosis in free-living and captive pinniped species throughout the world. We report on the isolation of this M. tuberculosis complex (MTC) member from an imported male Southern sea lion (Otaria flavescens) in a zoo in
P. Kriz, P. Kralik, M. Slany, I. Slana, J. Svobodova, I. Parmova, V. Barnet, V. Jurek, I. Pavlik   +8 more
doaj   +1 more source