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禽类器官重量及其与肉类产量的关系的元分析

N T Richardson¹, R E Jahnel¹, B O Makanjuola¹

¹Centre for Genetic Improvement of Livestock, Department of Animal Biosciences, University of Guelph, Guelph, ON, Canada.

Poultry science

|September 5, 2025

概括

为了肉类产量而进行密集的繁殖可能会影响家禽的心脏健康. 这项研究发现乳房肉的产量会影响心脏,肝脏和肺部的大小,

科学领域:

禽类科学
动物生理学
定量遗传学

背景情况:

禽类的晚期死亡率是一个重要的经济和福利问题,其中心脏病是主要原因.
强烈选择高肉产量,特别是乳房肉,被怀疑增加心血管问题的发生率.
肉类产量和器官大小,特别是心脏,肺和肝脏之间的确切关系需要澄清.

研究的目的:

在家禽中系统地审查和元分析乳房肉量与器官大小 (心脏,肺,肝脏) 之间的关系.
调查性别,物种,鸟类用途和活体体重等因素如何影响器官体重相对于体重.
提供养殖计划的见解, 以平衡肉类产量与心血管健康.

主要方法:

进行了91篇出版物的系统文献审查和元分析.
提取了关于活体体重,部分产量,器官重量和心脏状况的数据.
开发了线性混合模型来分析器官重量 (%BW),肉类产量和其他属性之间的关系.

主要成果:

心脏重量 (%BW) 受性别,物种,鸟类用途,乳房肉量 (%) 和活体重量 (g) 的影响.
肝脏重量 (%BW) 与物种,鸟类用途,乳房肉的产量 (%) 和活体重量 (g) 有关.
肺部重量 (%BW) 与心脏重量 (g) 有负相关性; 产母的心脏比肉和火相对较大.

结论:

乳房肉的产量是影响家禽体重相对心脏,肝脏和肺部大小的一个重要因素.
与产母相比,肉的肝脏重量较大.
旨在增加肉类产量的育种计划应考虑对器官健康和心血管功能的潜在影响.

关键词:

乳房肉的产量肉心血管健康土耳其

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