Transcriptome profiling of hypothalamus-pituitary-ovary axis provides insights into egg-laying interval differences between european meat pigeons and shiqi pigeons.

ABSTRACT:

Introduction

The long egg-laying interval of pigeons leads to low egg production, and the hypothalamus-pituitary-ovary (HPO) axis plays a crucial role in regulating the egg-laying process of poultry. European meat pigeons have a shorter egg-laying interval than Shiqi pigeons, but the molecular mechanism underlying this difference remains unclear.

Methods

Reproductive phenotypic data of 300 pairs of pigeons from each breed were collected for 6 months. Five 2-2.5-year-old female pigeons from each breed were selected, and their hypothalamus, pituitary, and ovary tissues were collected for transcriptome sequencing. Differentially Expressed Genes (DEGs) were identified, and Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analyses were performed.

SUBMITTER: Wang X 

PROVIDER: S-EPMC12571566 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature