Selection-driven chicken phenome and phenomenon of pectoral angle variation across different chicken phenotypes

Anatoly B. Vakhrameev,Valeriy G. Narushin,Tatyana A. Larkina,Olga Y. Barkova,Grigoriy K. Peglivanyan,Artem P. Dysin,Natalia V. Dementieva,Alexandra V. Makarova,Yuri S. Shcherbakov,Marina V. Pozovnikova,Yuri V. Bondarenko,Darren K. Griffin,Michael N. Romanov

Livestock Science（2022）

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摘要

•Selection-driven chicken phenome embraces varied phenotypes including pectoral angle.•We studied PA variation across divergently selected chicken breeds.•Patterns of PA relationship with performance traits were analysed.•We propose a promising PA-based auxiliary index for using in layer selection.

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关键词

Phenome,Phenotypic traits,Pectoral angle,Egg production,Chicken breeds,Gene pool

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