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Article

Genetic effects of polymorphisms in candidate genes and the QTL region on chicken age at first egg.

BMC genetics - 15 Apr 2011

Xu Haiping, Zeng Hua, Luo Chenglong, Zhang Dexiang, Wang Qian, Sun Liang, Yang Lishan, Zhou Min, Nie Qinghua, Zhang Xiquan

Abstract excerpt

BACKGROUND: The age at first egg (AFE), an important indicator for sexual maturation in female chickens, is controlled by polygenes. Based on our knowledge of reproductive physiology, 6 genes including gonadotrophin releasing hormone-I (GnRH-I), neuropeptide Y (NPY), dopamine D2 receptor (DRD2), vasoactive intestinal polypeptide (VIP), VIP receptor-1 (VIPR-1), and prolactin (PRL), were selected as candidates for...

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Source

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Identifiers

PMID: 21492484
DOI: 10.1186/1471-2156-12-33
PMCID: PMC3096585

Genes

VIP
DRD2
GRB2
NPY
PRL

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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