Results 51 to 60 of about 1,936 (203)

TOPOGRAPHY AND VISCERAL MORPHOLOGY OF THE Melopsittacus undulatus, SHAW 1805 TOPOGRAFIA E MORFOLOGIA DAS VÍSCERAS DO PERIQUITO-AUSTRALIANO (Melopsittacus undulatus, SHAW 1805)

open access: yesCiência Animal Brasileira, 2009
<div>The aim of this research was to study the topography and morphology of Australian parakeet (Melopsittacus undulatus) viscera. Ten Australian parakeet were used (5 males and 5 females).
Fabiana S. Matsumoto   +5 more
doaj  

Sex Determination in Male and Female Melopsittacus undulates using a Morphometric Method

open access: yesBiosaintifika: Journal of Biology & Biology Education, 2018
Parakeets (Melopsittacus undulates) are classified parrot order Psittaciformes. Parakeets are monomorphic birds whose sex is difficult to be distinguished.
Ibnu Baehaqi   +2 more
doaj   +1 more source

Effects of dietary supplementation with Bacillus spp. and Debaryomyces spp. on broiler’s growth performance, serum characteristics, intestinal microflora and antioxidant activity

open access: yesItalian Journal of Animal Science, 2022
This study investigated the effect of different Bacillus spp. and Debaryomyces spp., which are screened from Melopsittacus undulates crop milk on growth performance, intestinal morphology, intestinal microflora and antioxidant abilities in broilers.
C. L. Liu   +4 more
doaj   +1 more source

Clinical approach to small psittacines and passerines

open access: yesIn Practice, Volume 48, Issue 4, Page 181-189, May 2026.
Background: The most commonly encountered small avian species in clinical practice are psittacines, such as budgerigars, cockatiels and lovebirds, and passerines, such as finches and canaries. These birds are increasingly presented for veterinary treatment, with owners expecting a high standard of care.
Vicki Baldrey
wiley   +1 more source

SALPINGOHYSTERECTOMY IN A FEMALE BUDGERIGAR (MELOPSITTACUS UNDULATUS) DUE TO OVIDUCT IMPACTION [PDF]

open access: yes, 2010
Female breeding tract disease is common in small psittacine clinical practice. The author makes a brief introduction to these issues, followed by a case report.
Reisinho, Ana
core   +1 more source

Correction: Experience with speech sounds is not necessary for cue trading by budgerigars (Melopsittacus undulatus). [PDF]

open access: yesPLoS ONE, 2017
[This corrects the article DOI: 10.1371/journal.pone.0177676.].
Mary Flaherty   +2 more
doaj   +1 more source

Beyond Species Diversity: Functional Approaches Reveal Consistent Fauna Community Responses to Exotic Grass Invasion in Arid Lands

open access: yesEcology and Evolution, Volume 16, Issue 4, April 2026.
To assess whether the impacts of exotic plant invasion can be generalised across taxa, we developed a conceptual framework predicting faunal responses to grass invasion in open, arid ecosystems and tested our predictions using data on birds, reptiles and ants from sites invaded by buffel grass (Cenchrus ciliaris) and paired uninvaded sites.
Ellen Ryan‐Colton   +4 more
wiley   +1 more source

Age‐related changes of oxidative status and immune function in a long‐lived seabird

open access: yesJournal of Avian Biology, Volume 2026, Issue 2, March 2026.
Experimental studies in humans and laboratory species have shown that the decline of the immune system with age (immunosenescence) and the accumulation of oxidative damage to macromolecules are two key contributors to the onset and progression of the ageing process. Although laboratory models have provided important insights, the physiological basis of
Beatrice Berardi   +6 more
wiley   +1 more source

Data for: Does Audience Affect the Structure of Warble Song in Budgerigars (Melopsittacus undulatus)?

open access: yes, 2017
Primary data used in paper in Behavioral Processes by Tobin et al entitled "Does Audience Affect the Structure of Warble Song in Budgerigars (Melopsittacus undulatus)?
Wright, T (via Mendeley Data)
core   +1 more source

Light and scanning electron microscopic study of the lingual structure in the budgerigar (Melopsittacus undulatus) [PDF]

open access: yesIranian Journal of Veterinary Medicine, 2017
BACKGROUND: The tongue, which plays a very important role in food intake by vertebrates, exhibits significant morphological variations that appear to represent adaptation to the current environmental conditions of each respective habitat. OBJECTIVES: The
Ali Parchami, Mahdi Salimi
doaj   +1 more source

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