目前的繁殖努力塑造了雀鸟对感染的反应。

IF 3.7 1区 环境科学与生态学 Q1 ECOLOGY
Fredrik Andreasson, Andreas Nord, Arne Hegemann, Jan-Åke Nilsson
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引用次数: 0

摘要

当被病原体感染时,宿主可能会产生急性期反应,以增加其生存的机会。先前的研究表明,急性期反应的一个基本组成部分,体温的调整,可能会因环境温度、社会环境和能量可用性而有所不同。然而,我们不太清楚这种反应是如何在工作密集的生殖活动中被调节的。因此,我们对饲养的雌性蓝山雀进行了模拟细菌感染,这些雌性蓝山雀饲养了实验放大的雏鸟或正常大小的雏鸟。我们量化了它们随后的体温反应和触珠蛋白浓度,以及对亲代工作率和繁殖性能的影响。孵卵量大的免疫缺陷雌虫最初表现为体温过低,而孵卵量正常的免疫缺陷雌虫则出现发烧。此外,正常产仔的免疫缺陷雌性与育雏扩大的免疫缺陷雌性相比,有更高的循环触珠蛋白水平。因此,雌性雏鸟受到扩大的窝和免疫挑战的“双重”挑战,免疫反应较弱,但仍设法维持雏鸟的生长,与正常大小的窝的雏鸟相当。因此,我们的研究结果表明,实验操作的育雏大小塑造了急性期反应和自我维持和当前繁殖之间的权衡。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Current reproductive effort shapes the response to infection in a passerine bird

Current reproductive effort shapes the response to infection in a passerine bird

Current reproductive effort shapes the response to infection in a passerine bird

Current reproductive effort shapes the response to infection in a passerine bird

Current reproductive effort shapes the response to infection in a passerine bird

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来源期刊
Journal of Animal Ecology
Journal of Animal Ecology 环境科学-动物学
CiteScore
9.10
自引率
4.20%
发文量
188
审稿时长
3 months
期刊介绍: Journal of Animal Ecology publishes the best original research on all aspects of animal ecology, ranging from the molecular to the ecosystem level. These may be field, laboratory and theoretical studies utilising terrestrial, freshwater or marine systems.
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