Results 71 to 80 of about 311,633 (202)

Analysis of exhaled breath condensate in a mixed population of psittacine birds

open access: yes, 2010
Collection of exhaled breath condensate (EBC) and the measurement of inflammatory markers contained therein (eg, hydrogen peroxide H2O2, leukotriene B4 LTB4, and pH) have been reported as noninvasive tools for the investigation of respiratory disease in ...
Zollinger, E   +11 more
core   +1 more source

Taxonomy and diversity of Marcgraviaceae, north of the São Francisco river, northeast Brazil

open access: yesNordic Journal of Botany, Volume 2026, Issue 4, April 2026.
This study provides a comprehensive assessment of Marcgraviaceae species diversity north of the São Francisco river in northeastern Brazil, analyzing species richness and distribution patterns across 384 000 km² of phytogeographic domains. Through field collections, herbarium studies (both physical and digital), and detailed morphological analyses, we ...
Thales Carvalho   +4 more
wiley   +1 more source

General practice veterinarians’ attitudes towards avian influenza: A COM‐B analysis of barriers to backyard poultry treatment

open access: yesVeterinary Record, Volume 198, Issue 6, Page e237-e247, 14/21 March 2026.
Abstract Background The recent expansion of highly pathogenic avian influenza (HPAI) H5N1 to non‐avian species in the United States has intensified public health‐related concerns. In Great Britain, low veterinarian confidence in seeing and treating birds creates potential barriers to HPAI diagnosis and reporting.
Sol Elliott   +6 more
wiley   +1 more source

The Effects of Human Presence, Restraint, and Stressed Neighbors on Corticosterone Levels in Domesticated Budgerigars (Melopsittacus undulatus)

open access: yesZoo Biology, Volume 45, Issue 1, Page 37-45, January/February 2026.
Female budgerigars (Melopsittacus undulatus) did not significantly elevate their plasma corticosterone levels in response to human presence at the beginning of the experiment. However, plasma corticosterone was significantly elevated by restraint stress, the return of a neighbor that received restraint stress, and human presence at the end of the ...
Dustin G. Reichard, Kelly V. Summers
wiley   +1 more source

Screening of antigenemia and isolation of Cryptococcus neoformans and C. gattii from cloaca and crop of birds in the state of Paraná, Brazil Antigenemia e tentativa de isolamento de Cryptococcus neoformans e C. gattii a partir da cloaca e inglúvio de aves no Estado do Paraná

open access: yesPesquisa Veterinária Brasileira, 2008
Cryptococcus neoformans and C. gattii are associated with dry bird excreta but rarely recovered from birds' digestive tract. The objective of the present study was (1) to verify the existence of C. neoformans and C.
Camile Lugarini   +7 more
doaj   +1 more source

Distinct 5′ UTR Requirements for Translation of the Bicistronic X/P mRNA Among Avian Orthobornaviruses

open access: yesMicrobiology and Immunology, Volume 70, Issue 2, Page 80-90, February 2026.
ABSTRACT Orthobornaviruses express X and the phosphoprotein (P) from a bicistronic X/P mRNA, and these proteins regulate polymerase activity. In mammalian orthobornaviruses, the 5′ untranslated region (5′ UTR) of the X/P mRNA controls the translational balance between X and P and thereby promotes efficient replication.
Meng‐Chi Wu   +7 more
wiley   +1 more source

Hepatic lipidosis in psittacine birds—a review

open access: yesAcademia Biology
Fatty liver or hepatic lipidosis is a mild, progressive metabolic disorder in several domestic animal species and various bird species in which the lipid is accumulated in the hepatocytes.
Dražen Đuričić   +2 more
doaj   +1 more source

Is PBFD Simptomatology Species Specific Rather then Strain Specific? – A Case of 8 Lovebirds

open access: yesActa Veterinaria, 2020
Eight lovebirds of both sexes and different age were admitted showing alterations in behaviour and apathy. During the initial examination delamination of the beak was noted in all birds and discrete areas of alopecia in three of eight birds.
Vučićević Miloš   +6 more
doaj   +1 more source

Dilated cardiomyopathy in a green-winged saltator (Saltator similis)

open access: yesBrazilian Journal of Veterinary Pathology
Cardiovascular diseases are rarely reported in birds. Among pet birds, they are most documented in psittacine birds. Dilated cardiomyopathy is a myocardial disease frequently found in poultry but with few reports in both pet and wild birds.
José Lucas Costa Duarte   +5 more
doaj   +1 more source

Serogroups and virulence genes of Escherichia coli isolated from psittacine birds

open access: yesPesquisa Veterinária Brasileira, 2011
Escherichia coli isolates from 24 sick psittacine birds were serogrouped and investigated for the presence of genes encoding the following virulence factors: attaching and effacing (eae), enteropathogenic E.
Terezinha Knöbl   +7 more
doaj   +1 more source

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