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Article

Variation in neighbouring genes of the dopaminergic and serotonergic systems affects feather pecking behaviour of laying hens.

Animal genetics - 1 Apr 2009

Flisikowski K, Schwarzenbacher H, Wysocki M, Weigend S, Preisinger R, Kjaer J B, Fries R

Abstract excerpt

Feather pecking is a behavioural disorder of laying hens and has serious animal welfare and economic implications. One of the several aetiological hypotheses proposes that the disorder results from redirected exploratory behaviour. Variation in the gene encoding the dopamine D4 receptor (DRD4) has been shown to be associated with exploratory behaviour in several species, including in a passerine bird species. We...

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Source

Identifiers

PMID: 19120086
DOI: 10.1111/j.1365-2052.2008.01821.x

Genes

DRD4
DEAF1

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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