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Record W4416443331 · doi:10.5376/be.2025.15.0021

Evolutionary Traits in Domestic and Wild Chickens Through Phylogenetic Markers

2025· article· W4416443331 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

venuePublished in a venue whose home country is Canada.
no affNo Canadian affiliation: this work is invisible to an affiliation-only frame.
No Canadian affiliation. An affiliation-only frame, the usual design, would never have seen this work. It is one of the works that make the case for inverting the frame.

Bibliographic record

VenueBiological Evidence · 2025
Typearticle
Language
FieldAgricultural and Biological Sciences
TopicLivestock and Poultry Management
Canadian institutionsnot available
Fundersnot available
KeywordsDomesticationPhylogenetic treeGene poolFeatherPhylogeneticsGeneMitochondrial DNAGenetic analysisClade

Abstract

fetched live from OpenAlex

This study mainly aims to analyze the evolutionary differences between chickens and wild chickens. We focus on the morphological, physiological, behavioral and genetic changes during the domestication process. Some commonly used tools in research include whole-genome SNPS, mitochondrial DNA and microsatellites, etc. These can help us observe the differentiation and gene exchange between domestic chickens and wild free-range chickens. It was found that domestic chickens exhibited distinct domesticated characteristics in terms of body size, feather color, breeding season, metabolism and response to humans. These changes are closely related to some key genes, such as TSHR, BCO2 and IGF1. In addition, the genes of domestic chickens are also mixed with components from other wild species such as the grey pheasant, making their genetic background more diverse. Phylogenetic analysis also indicates that the domestication and spread of domestic chickens were not accomplished in one go, but rather involved multiple origins and complex gene exchanges, which is why there are significant differences among domestic chicken breeds in different regions. The purpose of this review is to better understand the mechanism and genetic basis of domestic chicken domestication, and also to provide some references for poultry breeding and conservation.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.001
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: Observational
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.184
Threshold uncertainty score0.742

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.001
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0000.001
Science and technology studies0.0000.001
Scholarly communication0.0000.000
Open science0.0010.001
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0010.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.047
GPT teacher head0.282
Teacher spread0.235 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it