Results 51 to 60 of about 2,597 (248)

Genetic variability in three Amazon parrot species

open access: yesBrazilian Journal of Biology
Parrots of the genus Amazona are among the most threatened species of the Order Pscittaciformes. This work describes allozyme polymorphisms in three Amazon parrot species - the Blue-fronted Amazon (Amazona aestiva), the Orange-winged Amazon (Amazona ...
IF. Lopes, MA. Del Lama, SN. Del Lama
doaj   +1 more source

Isolation of Salmonella spp. in captive Psittaciformes from zoos and a commercial establishment of Fortaleza, Brazil

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2014
This study showed a low prevalence of Salmonella spp. in captive psittacines from zoos and a commercial establishment of Fortaleza. None of the isolated serotypes (S. Lexington, S. Saintpaul and S.
E.S. Lopes   +9 more
doaj   +1 more source

AVALIAÇÃO SOROLÓGICA DE Parainfluenzavirus Tipo 1, Salmonella spp., Mycoplasma spp. E Toxoplasma gondii EM AVES SILVESTRES

open access: yesCiência Animal Brasileira, 2013
Newcastle disease, salmonellosis and mycoplamosis are the most important infectious diseases in poultry. Toxoplamosis is a common disease in urban environment.
Guilherme Augusto Marietto Gonçalves   +4 more
doaj   +3 more sources

Comparative mitogenomic analyses of Amazona parrots and Psittaciformes

open access: yesGenetics and Molecular Biology
Amazon parrots are long-lived birds with highly developed cognitive skills, including vocal learning. Several parrot mitogenomes have been sequenced, but important aspects of their organization and evolution are not fully understood or have limited ...
Nicholas Costa Barroso Lima   +12 more
doaj   +1 more source

Mitochondrial Markers COI and 16S rRNA for the Molecular Identification of Parrots and Macaws Recovered From Illegal Trafficking in Three Areas of Colombia

open access: yesEcology and Evolution, Volume 16, Issue 4, April 2026.
We molecularly characterized parrots (Amazona spp.) and macaws (Ara spp.) rescued from illegal trafficking in Colombia using two mitochondrial markers (COI and 16S rRNA). The COI gene showed high resolution for species identification and revealed considerable intraspecific diversity, while 16S rRNA displayed limited taxonomic resolution.
Julián Marín‐Villa   +3 more
wiley   +1 more source

Post-fledging survival of Blue-fronted Parrots (Amazona aestiva) [PDF]

open access: yes, 2014
El Loro Hablador (Amazona aestiva) se encuentra bajo una intense presión producto de la destrucción de su hábitat y la remoción de adultos y pichones para el comercio de mascotas.
Berkunsky, Igor, Faegre, Sarah
core  

Ultrasonographic Ocular Biometry of the Greater Caribbean Manatee (Trichechus manatus manatus)

open access: yesVeterinary Ophthalmology, Volume 29, Issue 2, March 2026.
ABSTRACT This study aimed to characterize the ocular biometry of the Trichechus manatus manatus applying B‐mode ultrasonography across different age groups. Twenty‐two animals were assessed employing a portable ultrasound device equipped with a linear transducer. Five ocular parameters were assessed: corneal thickness (CT), anterior chamber depth (ACD),
Radan Elvis Matias de Oliveira   +10 more
wiley   +1 more source

Efeitos sedativos da associação de Cetamina e Midazolam administrados pela via intranasal ou intramuscular em papagaio (Amazona aestiva e Amazona vinacea)

open access: yesPesquisa Veterinária Brasileira, 2013
A falta de protocolos de sedação seguros para uso em papagaios na literatura demonstra a necessidade de conhecer os anestésicos que são eficazes nestes animais.
Eduarda H. Bitencourt   +5 more
doaj   +1 more source

Cisto branquial em papagaio-verdadeiro (Amazona aestiva):

open access: yesPubvet
O cisto branquial é uma neoplasia congênita, causada pela má obliteração de uma das fendas brânquias durante o desenvolvimento embrionário, apresentando células benignas e que ao longo da vida do indivíduo irá se manifestar, prejudicando estruturas ...
Henkel Filip, Jamili Martins Teixeira
doaj   +1 more source

Captive-born collared peccary (Pecari tajacu, Tayassuidae) fails to discriminate between predator and non-predator models [PDF]

open access: yes, 2018
Captive animals may lose the ability to recognize their natural predators, making conservation programs more susceptible to failure if such animals are released into the wild.
A Coleman   +77 more
core   +1 more source

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