首页|Effects of capture and captivity on plasma corticosterone and metabolite levels in breeding Eurasian Tree Sparrows

Effects of capture and captivity on plasma corticosterone and metabolite levels in breeding Eurasian Tree Sparrows

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Background: Bringing free-living animals into captivity subjects them to the stress of both capture and captivity, leading to the alteration of normal physiological processes and behaviors through activation of the hypothalamic–pituitary–adrenal axis. In free-living birds, although elevated plasma corticosterone (CORT) is an important adaptation regulating physiological and behavioral responses during the process of capture and captivity stress, little information is currently available on the effects of such stress on plasma metabolite levels. Methods: We examined the effects of immediate capture and 24-h captivity on body mass, body condition, plasma CORT, and metabolite levels including glucose (Glu), triglyceride (TG), total cholesterol (TC), uric acid (UA), in breeding Eurasian Tree Sparrows (Passer montanus). Results: CORT and Glu levels were increased significantly by the stress of capture, whereas TC and UA levels decreased. Body mass, body condition declined notably after 24 h in captivity, but CORT, Glu, and UA levels increased. Furthermore, male sparrows had lower TG levels after both capture and captivity than those of females. The relation-ships between plasma CORT and metabolite levels varied between sexes. Conclusions: Our results revealed that the metabolic status of Eurasian Tree Sparrows could be dramatically altered by capture and captivity. Monitoring the dynamic effects of both capture and captivity on plasma CORT, metabolite levels in a free-living bird contributes to a better understanding of the stress-induced pathways involved in sex-dependent energy mobilization.

Capture stressCaptivity stressCorticosteronePlasma metabolitesFree-living birds

Mo Li、Weiwei Zhu、Yang Wang、Yanfeng Sun、Juyong Li、Xuelu Liu、Yuefeng Wu、Xuebin Gao、Dongming Li

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Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology of Hebei Province, College of Life Sciences, Hebei Normal University, Shi-jiazhuang 050024, China

Ocean College of Hebei Agricultural University, Qin-huangdao 066003, China

Shaanxi Institute of Zoology, Xi'an 710032, China

This research was supported by the National Natural Science Foundation of ChinaThis research was supported by the National Natural Science Foundation of ChinaNatural Science Foundation of Hebei Provincefoundation of China Scholarship Councilto D. Li, and the NSFCto Y. Wu, the NSFC

NSFC31672292C20172050592014081300683177044531372201 to X. Gao

2019

鸟类学研究(英文版)
北京林业大学

鸟类学研究(英文版)

CSCDSCI
影响因子:0.553
ISSN:2055-6187
年,卷(期):2019.10(2)
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