Results 21 to 30 of about 311,633 (202)
Multidrug-resistant avian pathogenic Escherichia coli ST162 among trafficked psittacine birds [PDF]
Veterinary and Animal ScienceThe acquisition of virulence determinants has led to the emergence of certain lineages of extraintestinal pathogenic Escherichia coli (ExPEC), with implications for both human and veterinary medicine. Avian Pathogenic E.
Victória Galdino Pavlenco Rocha +8 more
doaj +2 more sources
Metastatic Leiomyosarcoma Involving Bone and Kidney in an Adult Budgerigar (Melopsittacus undulatus) [PDF]
Veterinary Medicine and Science, Volume 12, Issue 5, September 2026.A 2‐year‐old male budgerigar presents with swelling of the medial left leg. Soft tissue neoplasia is suspected after empirical treatment fails. Histopathology and immunohistochemistry (α‐SMA and desmin positivity, vimentin negativity) confirm leiomyosarcoma, with metastasis to bone and kidneys. This case documents uncommon metastatic spread in an avian
Hemad Shafiei +4 more
wiley +2 more sources
Avian Bornaviruses in Psittacine Birds from Europe and Australia with Proventricular Dilatation Disease [PDF]
Emerging Infectious Diseases, 2009 To determine whether avian bornaviruses (ABVs) were a factor in proventricular dilatation disease (PDD), we used immunohistochemistry, reverse transcription–PCR, and nucleotide sequence analysis to examine paraffin wax–embedded or frozen tissue samples ...
Herbert Weissenböck +10 more
doaj +2 more sources
White feathers in black birds [PDF]
, 2021 The most common plumage abnormalities in birds involve some form of white feathering, ranging from birds with just a few white feathers to individuals that are completely white.
van Grouw, Hein
core +5 more sources
Brazilian Journal of Veterinary Pathology, 2020 This case reports an outbreak of psittacine beak and feather disease in imported budgerigars (Melopsittacus undulatus) in a breeding site in Mexico. Feather abnormalities occurred in 3-month-old budgerigars and the percentage of affected birds was 40 of ...
Félix Sánchez-Godoy +5 more
doaj +1 more source
Avian Pox in Native Captive Psittacines, Brazil, 2015
Emerging Infectious Diseases, 2017 To investigate an outbreak of avian pox in psittacines in a conservation facility, we examined 94 birds of 10 psittacine species, including sick and healthy birds. We found psittacine pox virus in 23 of 27 sick birds and 4 of 67 healthy birds.
Felipe C.B. Esteves +9 more
doaj +1 more source
A novel psittacine adenovirus identified during an outbreak of avian chlamydiosis and human psittacosis: zoonosis associated with virus-bacterium coinfection in birds. [PDF]
PLoS Neglected Tropical Diseases, 2014 Chlamydophila psittaci is found worldwide, but is particularly common among psittacine birds in tropical and subtropical regions. While investigating a human psittacosis outbreak that was associated with avian chlamydiosis in Hong Kong, we identified a ...
Kelvin K W To +14 more
doaj +1 more source
A food interaction network between psittacines and plants in an urban area in the city of São Carlos – SP, southeastern Brazil [PDF]
Brazilian Journal of Biology, 2023 The Psittacidae presents a great diversity of species in the Neotropical region performing fundamental ecological functions for ecosystems. These frugivorous birds can occupy different positions in the antagonistic-mutualistic gradient of food ...
A. M. Leoni +2 more
doaj +1 more source
Journal of Zoonotic Diseases, 2020 Chlamydia psittaci (C. psittaci) is an avian pathogen which its clinical symptoms of the disease may be varies from asymptomatic to several clinical symptoms, which include: conjunctivitis, an inflammation of the lining of the nose (rhinitis), sinusitis,
Mehdi MoradiSarmeidani +4 more
doaj +1 more source
Viruses, 2021 Siadenoviruses have been detected in wild and captive birds worldwide. Only nine siadenoviruses have been fully sequenced; however, partial sequences for 30 others, many of these from wild Australian birds, are also described.
Ajani Athukorala +5 more
doaj +1 more source