Results 61 to 70 of about 2,597 (248)

Determination of Ophthalmic Parameters and Ocular Morphology in Ring‐Necked Parakeets (Psittacula krameri)

open access: yesVeterinary Ophthalmology, Volume 29, Issue 1, January 2026.
ABSTRACT Purpose To determine normal ophthalmic test values and to describe the ocular morphology of ring‐necked parakeets (Psittacula krameri). Materials and Methods 33 captive birds were examined, although not all tests were conducted on each bird.
Fernanda Taques Wendt   +7 more
wiley   +1 more source

Modified Schirmer tear test and rebound tonometry in blue-fronted Amazon parrot (Amazona aestiva)

open access: yesPesquisa Veterinária Brasileira
: The aim of this study was to describe the modified Schirmer tear test (mSTT), intraocular pressure (IOP) by rebound tonometry and palpebral fissure length (PFL) in blue-fronted Amazon parrots (Amazona aestiva).
Mário S.A. Falcão   +3 more
doaj   +1 more source

Valores sanguíneos del loro hablador chaqueño (Amazona aestiva xanthopteryx) adulto, en cautiverio en el Centro de Rescate ¨La Esmeralda¨ de la provincia de Santa Fe, Argentina.

open access: yesRevista Ciencias Veterinarias, 2019
Amazona aestiva xanthopteryx conocido comúnmente como loro hablador chaqueño, amazona de alas amarillas o amazona argentino. Su población se distribuye en Argentina desde el distrito fitogeográfico de la Selva Pedemontana de la región fitogeográfica de ...
Antonio Sciabarrasi   +2 more
doaj   +1 more source

Loros, gripe aviar y soja: los alcances de políticas globales sobre proyectos locales [PDF]

open access: yes, 2014
En el presente trabajo se analiza la relación entre los proyectos locales de conservación y los procesos globales; y la necesidad de creación de políticas públicas que contemplen la conservación de la biodiversidad y el mejoramiento de las condiciones de
Coconier, Eugenio G.   +1 more
core   +1 more source

Can the intake of antiparasitic secondary metabolites explain the low prevalence of hemoparasites among wild Psittaciformes? [PDF]

open access: yes, 2018
Background: Parasites can exert selection pressure on their hosts through effects on survival, on reproductive success, on sexually selected ornament, with important ecological and evolutionary consequences, such as changes in population viability ...
A Araújo   +177 more
core   +4 more sources

Feather mites (Acari: Astigmata) of captive Psittaciformes in Brazil

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia
Feather samples were obtained from the following Psittaciformes birds: Amazona amazonica, Amazona aestiva, Aratinga jandaya, Brotogeris spp., Ara ararauna and Ara chloropterus (total of 37 individuals).
D.M. Pereira   +3 more
doaj   +1 more source

The evolution, distribution and diversity of endogenous circoviral elements in vertebrate genomes [PDF]

open access: yes, 2018
Circoviruses (family Circoviridae) are small, non-enveloped viruses that have short, single-stranded DNA genomes. Circovirus sequences are frequently recovered in metagenomic investigations, indicating that these viruses are widespread, yet they remain ...
Dennis, Tristan P.W.   +5 more
core   +1 more source

Computed Tomographic Anatomy of the Head in Cockatiel (Nymphicus hollandicus)

open access: yesVeterinary Medicine and Science, Volume 11, Issue 2, March 2025.
This study aimed to present the normal anatomical data of the head of the cockatiel (Nymphicus hollandicus) using the CT method. In this research, the features of this bird's head were investigated in terms of bones, joints, muscles, sinuses and other constituent tissues.
Seyedmehran Kazemi   +3 more
wiley   +1 more source

Las Colecciones del Museo de Ciencias Naturales de la Universidad de Navarra. I. Vertebrados [PDF]

open access: yes, 2000
Se presenta el Catálogo de la Colección de Vertebrados expuesta en el Museo de Ciencias Naturales de la Universidad de Navarra. La mayor parte de la colección, de ámbito mundial, proviene de la antigua Colección del Colegio Lecároz (Navarra).
Ariño-Plana, A.H. (Arturo Hugo)   +1 more
core  

Variation in Plumage Coloration of Rosy‐Faced Lovebirds (Agapornis roseicollis): Links to Sex, Age, Nutritional Condition, Viral Infection, and Habitat Urbanization

open access: yesJournal of Experimental Zoology Part A: Ecological and Integrative Physiology, Volume 343, Issue 1, Page 48-58, January 2025.
Lovebird adults had redder faces than juveniles, and birds with brighter faces had lower glucose levels and were less likely to have polyomavirus. Male lovebirds had bluer rumps than females. Lovebirds caught farther from the city had redder and darker feathers than those caught closer to the urban center.
Kevin J. McGraw   +3 more
wiley   +1 more source

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