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The Effects of Domestication on the Brain and Behavior of the Chicken in the Light of Evolution
Brain, Behavior and Evolution ( IF 1.7 ) Pub Date : 2021-05-27 , DOI: 10.1159/000516787
Julia Mehlhorn 1 , Svenja Caspers 1, 2
Affiliation  

The avian class is characterized by particularly strong variability in their domesticated species. With more than 250 breeds and highly efficient commercial lines, domestic chickens represent the outcome of a really long period of artificial selection. One characteristic of domestication is the alterations in brain size and brain composition. The influence of domestication on brain morphology has been reviewed in the past, but mostly with a focus on mammals. Studies on avian species have seldom been taken into account. In this review, we would like to give an overview about the changes and variations in (brain) morphology and behavior in the domestic chicken, taking into consideration the constraints of evolutionary theory and the sense or nonsense of excessive artificial selection.
Brain Behav Evol


中文翻译:

从进化的角度看,驯化对鸡的大脑和行为的影响

禽类的特点是其驯养物种的变异性特别强。家禽拥有250多个品种和高效的商品系,代表着长期漫长的人工选择的结果。驯化的特征之一是大脑大小和大脑组成的改变。过去已经综述了驯化对脑形态的影响,但主要集中在哺乳动物上。很少考虑到鸟类物种的研究。在这篇综述中,我们将概述家禽(大脑)形态和行为的变化和变化,同时考虑进化理论的约束以及过度人工选择的意义或无意义。
脑行为进化
更新日期:2021-05-27
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