Results 141 to 150 of about 1,306 (201)

Surveillance of Parrot Bornavirus in Taiwan Captive <i>Psittaciformes</i>. [PDF]

open access: yesViruses
Villanueva BHA   +7 more
europepmc   +1 more source

Genomic erosion across avian lineages in the context of their evolutionary history. [PDF]

open access: yesMol Biol Evol
Wang X   +8 more
europepmc   +1 more source

Mutations in SLC45A2 lead to loss of melanin in parrot feathers. [PDF]

open access: yesG3 (Bethesda)
Ghosh Roy S   +6 more
europepmc   +1 more source

Neonatal state and degree of necessity for parental care in Maiasaura based on inferred neonatal metabolic rates. [PDF]

open access: yesSci Rep
Bert H   +7 more
europepmc   +1 more source

Molecular phylogeny and morphological change in the Psittacula parakeets [PDF]

open access: yesMolecular Phylogenetics and Evolution, 2004
We reconstruct a phylogeny of the African and Asian Psittacula parakeets using approximately 800bp of mitochondrial cytochrome b sequence to examine their evolutionary relationships in reference to their head plumage and major morphological tail innovations.
Groombridge, Jim J.   +4 more
openaire   +3 more sources

A molecular phylogeny of the genus Psittacula sensu lato (Aves: Psittaciformes: Psittacidae: Psittacula, Psittinus, Tanygnathus, †Mascarinus) with taxonomic implications 

open access: yesZootaxa, 2019
The long-tailed parakeets of the genus Psittacula Cuvier, 1800 have thus far been regarded as a homogeneous and monophyletic group of parrots. We used nucleotide sequences of two genetic markers (mitochondrial CYTB, nuclear RAG-1) to reconstruct the phylogenetic relationships of Psittacula and closely related species.
Braun, Michael P.   +7 more
openaire   +3 more sources
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Calcemic responses of Stannius corpuscle extract in parrotsPsittacula psittacula

Experientia, 1982
In parrots (Psittacula psittacula), i.p. injection of Stannius corpuscle extract (10 mg/ml/100 g b.wt) evokes hypocalcemia at 1 h. Thereafter, the values indicate hypercalcemia at 6 h and normocalcemia at 10 h.
Prof. AK Srivastav, K Swarup
exaly   +3 more sources

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