Effect of exercise training on swimming performance, survival under predation and hypoxia tolerance in an endangered fish species in China

IF 0.9 4区生物学 Q3 MARINE & FRESHWATER BIOLOGY Marine and Freshwater Behaviour and Physiology Pub Date : 2019-03-04 DOI:10.1080/10236244.2019.1636653

Long-Yan Zhou, Xiangming Yan, Xiu-Ming Li, Xiang Fu, Jigang Xia, S. Fu

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引用次数: 3

Abstract

ABSTRACT Poor swimming performance and low hypoxia tolerance have been suggested as the main reasons for the dramatic decrease in the wild population of Chinese sucker. The present study aimed to investigate the potential for exercise training to enhance swimming performance and hypoxia tolerance in this fish species targeted for stocking enhancement. Fish were exercise trained (force to swim against a flow) once daily, twice daily or not exercise trained for 20 d and then detrained for 10 d (a period of nontraining). Training showed no significant effect on anaerobic swimming performance.. The fish from both training groups showed lower hypoxia tolerance and a lower survival rate under predation. Thus, the present study suggested thatexercise training showed little effect or even a negative effect on physiological function in Chinese sucker, and the forced training might not be the proper protocol to apply for improving the stocking enhancement of Chinese sucker..

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运动训练对中国濒危鱼类游泳性能、捕食生存和缺氧耐受性的影响

摘要野生中华吸盘种群急剧减少的主要原因是游泳能力差和耐缺氧能力低。本研究旨在探讨运动训练对提高该鱼类的游泳性能和缺氧耐受性的潜力。对鱼进行每天一次的运动训练(迫使它们在水流中游泳)，每天两次或不运动训练20天，然后停止训练10天(一段时间的非训练)。训练对无氧游泳成绩无显著影响。两个训练组的鱼都表现出较低的缺氧耐受性和较低的捕食存活率。因此，本研究提示运动训练对中华吸盘生理功能的影响很小，甚至有负面影响，强制训练可能不是提高中华吸盘放养能力的合适方案。

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来源期刊

Marine and Freshwater Behaviour and Physiology 生物-海洋与淡水生物学

CiteScore

2.10

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Marine and Freshwater Behaviour and Physiology is devoted to the publication of papers covering field and laboratory research into all aspects of the behaviour and physiology of all marine and freshwater animals within the contexts of ecology, evolution and conservation. As the living resources of the world’s oceans, rivers and lakes are attracting increasing attention as food sources for humans and for their role in global ecology, the journal will also publish the results of research in the areas of fisheries biology and technology where the behaviour and physiology described have clear links to the contexts mentioned above. The journal will accept for publication Research Articles, Reviews, Rapid Communications and Technical Notes (see Instructions for authors for details). In addition, Editorials, Opinions and Book Reviews (invited and suggested) will also occasionally be published. Suggestions to the Editor-In-Chief for Special Issues are encouraged and will be considered on an ad hoc basis. With the goal of supporting early career researchers, the journal particularly invites submissions from graduate students and post-doctoral researchers. In addition to recognising the time constraints and logistical limitations their research often faces, and their particular need for a prompt review process, accepted articles by such researchers will be given prominence within the journal (see Instructions for authors for details).