雏鸡性情与应激相关基因表达之间的关系

IF 1.8 4区 农林科学 Q2 AGRICULTURE, DAIRY & ANIMAL SCIENCE
Journal of Poultry Science Pub Date : 2024-08-10 eCollection Date: 2024-01-01 DOI:10.2141/jpsa.2024022
Akira Ishikawa, Tomoka Takanuma, Norikazu Hashimoto, Masaoki Tsudzuki
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引用次数: 0

摘要

来自商业孵化场的鸡苗受到的压力与成年鸡的问题行为有关。最近,我们为鸡苗开发了一种新的行为处理测试,并证明它能评估七个日本本土鸡种和西方鸡种之间的性情差异。在本研究中,我们用上述五个品种的 2 日龄雄性雏鸡研究了性情与涉及下丘脑-垂体-肾上腺轴的三个应激相关基因(核受体 3 亚家族 C 组 1 (NR3C1)、细胞色素 P450 家族 11 亚家族 A 组 1 和羟基-δ-5-类固醇脱氢酶、3 β-和类固醇δ-异构酶 1)的 mRNA 水平之间的关系。对操作试验的 10 个行为特征进行主成分分析后发现,法尤米品种和夏波品种的广岛品系都表现出暴躁的性情,它们与其他品种分开聚类。只有 NR3C1 表达与两个行为特征(一般发声和靠近墙壁)呈显著正相关,而与运动呈负相关。这些结果表明,日龄鸡的复杂性情部分受下丘脑-垂体-肾上腺轴的应激相关基因调控。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Association between Temperament and Stress-related Gene Expression in Day-old Chickens.

Stress in day-old chickens from commercial hatcheries is associated with problematic behavior in adult animals. Recently, we developed a new behavioral handling test for day-old chickens and demonstrated that it assessed temperament differences between seven breeds of native Japanese and Western chickens. In this study, we used 2-day-old male chicks from five of the above breeds to investigate the relationship between temperament and mRNA levels of three stress-related genes (nuclear receptor subfamily 3 group C member 1 (NR3C1), cytochrome P450 family 11 subfamily A member 1, and hydroxy-delta-5-steroid dehydrogenase, 3 beta- and steroid delta-isomerase 1) involved in the hypothalamic-pituitary-adrenal axis. Principal component analysis of 10 behavioral traits for the handling test revealed that the Fayoumi breed and Hiroshima line of the Chabo breed, both of which exhibited boisterous temperament, clustered separately from the other breeds. Only NR3C1 expression showed a significant positive correlation with two behavioral traits (general vocalization and approaching the wall), and a negative correlation with movement. These results suggest that the complex temperament of day-old chickens is regulated, in part, by stress-related genes along the hypothalamic-pituitary-adrenal axis.

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来源期刊
Journal of Poultry Science
Journal of Poultry Science AGRICULTURE, DAIRY & ANIMAL SCIENCE-
CiteScore
2.80
自引率
13.30%
发文量
26
审稿时长
12 months
期刊介绍: The Journal of Poultry Science will publish original reports and reviews which either make an original contribution to fundamental science or are of obvious application to the industry. Subjects which are covered include: breeding and genetics, nutrition and feeds, physiology, reproduction, immunology, behavior, environmental science, management and housing welfare, processing and products, and health in poultry. Submission of original articles to the Journal is open to all poultry researchers. The review articles are invited papers written by international outstanding researchers. Articles will be published in English, American style.
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