Results 21 to 30 of about 1,548 (187)

Microsatellite typing of avian clinical and environmental isolates of Aspergillus fumigatus [PDF]

open access: yes, 2011
Aspergillosis is one of the most common causes of death in captive birds. Aspergillosis in birds is mainly caused by Aspergillus fumigatus, a ubiquitous and opportunistic saprophyte.
Beernaert, Lies   +8 more
core   +3 more sources

Single tracheal inoculation of Aspergillus fumigatus conidia induced aspergillosis in juvenile falcons (Falco spp.) [PDF]

open access: yes, 2017
Aspergillosis is a common and life-threatening respiratory disease in raptors with acute and chronic courses. Among raptors, gyrfalcons (Falco rusticolus) and their hybrids are often declared to be highly susceptible with juvenile individuals being the ...
Failing, Klaus   +4 more
core   +2 more sources

Identification of sperm motility subpopulations in Gyr falcon (Falco rusticolus) ejaculate: a tool for investigating between subject variation

open access: yesJournal of Animal Reproduction and Biotechnology, 2022
Subgroups of sperm which share similar motility features documented in mammals indicate between-subject variations that might be related to fertilizing potential of the respective ejaculates.
Fahimeh Seyedasgari   +3 more
doaj   +1 more source

Cross-amplification in falcons and their hybrids: A new im- plemented multi-locus panel for conservation and forensic purposes [PDF]

open access: yes, 2023
Falcons and their hybrids are among the most traded raptor species, with a significant proportion of international market involving countries with a strong falconry tradition. The trend in legal trade of falcons is strongly increased likewise the illegal
Anna Padula   +4 more
core  

As rapineiras neotropicais na Europa dos séculos XVI e XVII (Aves, Falconidae, Accipitridae)

open access: yesArquivos de Zoologia, 2022
O intenso fluxo de animais do Neotrópico observado na Europa durante o início da Idade Moderna incluiria demandas muito singulares vindas de determinados atores sociais.
Dante Martins Teixeira
doaj  

Highly (H5N1) and low (H7N2) pathogenic avian influenza virus infection in falcons via nasochoanal route and ingestion of experimentally infected prey. [PDF]

open access: yesPLoS ONE, 2012
An experimental infection with highly pathogenic avian influenza (HPAI) and low pathogenic avian influenza (LPAI) viruses was carried out on falcons in order to examine the effects of these viruses in terms of pathogenesis, viral distribution in tissues ...
Kateri Bertran   +8 more
doaj   +1 more source

Nesting of Gyrfalcon on the Artificial Structures in the State Nature Reserve "Nenetsky", Russia

open access: yesПернатые хищники и их охрана, 2017
All nests used by Gyrfalcons on the territory of “Nenetsky” State Nature Reserve were situated on wooden towers. There had been a known nesting of Gyrfalcon on triangular tower on Lovetsky island since 1987.
Denis A. Kitel, Yulia M. Bogomolova
doaj   +1 more source

Evidencia en video de fratricidio y canibalismo, movimiento de polluelos e interacciones con depredadores en nidos de Circus cyaneus [PDF]

open access: yes, 2018
During a nest-camera study of Hen Harriers (Circus cyaneus), we recorded siblicide, cannibalism, movement of nestlings by adult birds, and interactions with predators.
Fernández-Bellon, Darío   +5 more
core   +1 more source

Phenotypic flexibility and the evolution of organismal design [PDF]

open access: yes, 2003
Evolutionary biologists often use phenotypic differences between species and between individuals to gain an understanding of organismal design. The focus of much recent attention has been on developmental plasticity – the environmentally induced ...
Drent, Jan,, Piersma, Theunis,
core   +3 more sources

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