Chromosomal Evolution in Psittaciformes. Revisited
International Journal of Biology, 2016 <p class="1Body">With colourful plumage, charismatic character and vocal learning abilities, parrots are one of the most striking and recognizable bird groups. Their attractiveness has drawn human attention for centuries, and members of the Psittaciformes order were, also, among the first avian species to be subject to cytogenetic studies which ...
A. Villa Rus +6 more
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Granulomatous ventriculitis caused by Pythium insidiosum in a rosella (Platycercus eximius) [PDF]
Pesquisa Veterinária Brasileira: Pythiosis is an infectious disease caused by the oomycete Pythium insidiosum and can affect various systems/tissues, including cutaneous, digestive and respiratory tracts.
Aline R. Baron +7 more
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Halcyornis toliapicus (aves: Lower Eocene, England) indicates advanced neuromorphology in Mesozoic Neornithes [PDF]
, 2011 Our recent X-ray micro computer-tomographic (μCT) investigations of Prophaethon shrubsolei and Odontopteryx toliapica from the Lower Eocene London Clay Formation of England revealed the avian brain to have been essentially modern in form by 55 Ma, but ...
Allison P. A. +11 more
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Recent Advances in Parrot Research and Conservation
Diversity, 2022 Parrots (Psittaciformes), with about 400 species widely distributed across continents and oceanic islands, stand out among birds for their poor conservation status [...]
José L. Tella +2 more
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Enteropathogenic Escherichia coli in Psittaciformes [PDF]
Avian Pathology, 1999 A total of 103 Escherichia coli isolates from psittaciform birds were examined for the presence of genes coding for shigatoxin 1 (Stx1), shigatoxin 2 (Stx2) and for intimin (eae), using the polymerase chain reaction (PCR). Sixty-eight E. coli strains were isolated from necropsy cases and faecal samples, the other 35 were from 205 cloacal swabs from ...
C, Schremmer +6 more
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Mycoplasma spp. in Psittaciformes kept as pets in the southwestern Amazon of Brazil [PDF]
Pesquisa Veterinária Brasileira: Mycoplasmosis, caused by Mycoplasma spp., is a disease of great importance in birds, especially in the poultry industry. They are considered emerging bacteria that cause subclinical and clinical diseases in various birds and should not be ruled out as ...
Breno K.F. Nascimento +6 more
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Human infections associated with wild birds. [PDF]
, 2008 IntroductionWild birds and especially migratory species can become long-distance vectors for a wide range of microorganisms. The objective of the current paper is to summarize available literature on pathogens causing human disease that have been ...
Bauchinger, Ulf +4 more
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Determination of Ophthalmic Parameters and Ocular Morphology in Ring-Necked Parakeets (Psittacula krameri). [PDF]
Vet OphthalmolABSTRACT 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.
Wendt FT +7 more
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Effects of cold winters and roost site stability on population development of non-native Asian ring-necked parakeets (Alexandrinus manillensis) in temperate Central Europe – Results of a 16-year census [PDF]
, 2018 Asian ring-necked parakeets (Alexandrinus manillensis, formerly Psittacula krameri, hereafter RNP) first bred in Germany in 1969. Since then, RNP numbers increased in all three major German subpopulations (Rhineland, Rhine-Main, Rhine-Neckar ...
Bauer, Andreas +24 more
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Mitochondrial DNA. Part B. Resources, 2017 Medium-sized neotropical parrots from Pionus genus are represented by at least eight species. However, their taxonomy should be revised because some external morphological characters together with genetic data recognize 19 taxa.
Adam Dawid Urantówka +2 more
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