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	Info:eu-repo/semantics/article (3)
	Info:eu-repo/semantics/other (1)
	Journal article (1)

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Aspergillosis: a limiting factor during recovery of captive magellanic penguins

Xavier,Melissa O.; Soares,Mauro P.; Meinerz,Ana Raquel M.; Nobre,Márcia O.; Osório,Luiza G.; Silva Filho,Rodolfo P. da; Meireles,Mário Carlos A..

The article describes the epidemiology, macroscopic and histological lesions as well as the isolation of Aspergillus flavus and A. fumigatus from Magellanic penguins (Spheniscus magellanicus) during recovery in the Center for Recovery of Marine Animals (CRAM - 32ºS/52ºW), over a period of two years. From January 2004 to December 2005 the Center received 52 Magellanic penguins, and 23% (12/52) died. Necropsies were performed and tissue samples were collected for histological and microbiological examination. From 12 dead animals, aspergillosis was confirmed in five animals, corresponding to 42% of the mortality. Granulomatous nodules were observed mainly on air sacs and lungs. Histologically, septate and branching hyphae, measuring 3-5 µm and PAS positive...

Tipo: Info:eu-repo/semantics/article

Palavras-chave: Aspergillosis; Rehabilitation; Penguins; Captivity.

Ano: 2007

URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822007000300018

Histological assessment of the phytohemagglutinin (PHA) skin test as a method to evaluate inflammatory response and cell mediated immunity in Magellanic penguins (Spheniscus magellanicus)

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Ruoppolo, V.; Ribeiro, J. D.; Vanstreels, R. E. T.; Hurtado, R.; Pedron, B.; Cortopassi, S. R. G.; Catão-Dias, J. L..

To quantify cell-mediated immunity in immunoecology the phytohaemagglutinin-induced skin-swelling test is one of the most employed assays, especially for wild birds. The PHA induced skin swelling is the most widely used method to measure cell-mediated immunocompetence in birds. The objective of this study was to contribute to understanding the factors that modulate susceptibility, pathogenesis and severity of infectious diseases and inflammatory response in Magellanic penguins through evaluation of an immunological test that can measure cellular responses.

Tipo: Info:eu-repo/semantics/article

Palavras-chave: Phytohemagglutinin; Penguins phytohemagglutinin; Penguins.

Ano: 2016

URL: http://www.revistamvez-crmvsp.com.br/index.php/recmvz/article/view/31052

Penguins and their noisy world

Aubin,Thierry.

Penguins identify their mate or chick by an acoustic signal, the display call. This identification is realized in a particularly constraining environment: the noisy world of a colony of thousands of birds. To fully understand how birds solve this problem of communication, we have done observations, acoustic analysis, propagation and playback experiments with 6 species of penguins studied in the field. According to our results, it appears that penguins use a particularly efficient ''anti-confusion'' and ''anti-noise'' coding system, allowing a quick identification and localization of individuals on the move in a noisy crowd.

Tipo: Info:eu-repo/semantics/article

Palavras-chave: Communication in noise; Sound localization; Vocal recognition; Penguins.

Ano: 2004

URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652004000200015

Review of records and notes on King Penguin (Aptenodytes patagonicus) and Rockhopper Penguin (Eudyptes chrysocome) in Brazil

Barquete,Viviane; Bugoni,Leandro; Silva-Filho,Rodolfo P.; Adornes,Andréa C..

A review of previous findings and new records of King Penguin (Aptenodytes patagonicus) and Rockhopper Penguin (Eudyptes chrysocome) on the Brazilian coast is presented. In total there are six records of the King Penguin and ten records of the Rockhopper Penguin. Juvenile and adults of both species were found stranded mostly on Rio Grande do Sul coast, southern Brazil. Records of King Penguins are restricted to the summer season, while records of Rockhopper Penguins are mostly during winter. Rockhopper Penguin appears to displace more regularly to the Subtropical Convergence area, while King Penguins appear to be vagrant in Brazil, following the Malvinas Current.

Tipo: Info:eu-repo/semantics/other

Palavras-chave: Aptenodytes patagonicus; Brazilian coast; Eudyptes chrysocome; Penguins; Records.

Ano: 2006

URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0073-34072006000100006

The decline of Falkland Islands penguins in the presence of a commercial fishing industry

BINGHAM,MIKE.

The Falkland Islands are an important breeding site for three species of penguin, gentoo (Pygoscelis papua), southern rockhopper (Eudyptes c. chrysocome) and Magellanic penguin (Spheniscus magellanicus). The total penguin population for the Falkland Islands has declined by 84 % during the 1980s and 1990s. These declines did not occur in coastal South America, so potential causes of decline in the Falklands have been investigated. The suspected cause of decline is a reduction of fish and squid due to large-scale commercial fishing around the Falklands. Since 1995 rockhopper and gentoo populations have ceased declining, and appear to have reached a new equilibrium, albeit at a much lower level than before commercial fishing began. This has been matched by...

Tipo: Journal article

Palavras-chave: Penguins; Falkland Islands; Falklands.

Ano: 2002

URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2002000400014

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