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Mild spring temperature rising affects the anti-oxidation and immune functions of Asian Short-toed Larks

机译：轻度春季温度上升会影响亚洲短趾瓣的抗氧化和免疫功能

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BackgroundPredicting the possibility of severe effects of global warming on animals is important for understanding the ecological consequences of climate change on ecosystem. Spring is the season during which birds have to physiologically prepare for the subsequent breeding period, and unusual spring temperature rising probably becomes a heat stress to the birds which have adapted to the low spring temperature. Therefore, it is necessary to understand the physiological effect of spring warming on the temperate birds.MethodsUsing the activities of blood anti-oxidative enzymes (SOD, CAT, GPx) and the concentrations of serum immunogloblins (IgA, IgY, IgM) as indicators, we compared the anti-oxidative and immune functions of Asian Short-toed Larks ( Calandrella cheleensis ) captured between 10 and 15 March, 2015 and housed under conditions of 21?°C and 16?°C.ResultsThe SOD activities of birds in 21?°C group were significantly lower than those in 16?°C group on all the treatment days. The CAT activities of the birds in 21?°C group were significantly lower than those in 16?°C group on the 1st, 5th, 13th, 17 treatment days. The GPx activities of the birds in 21?°C group were signifthicantly lower than those in 16?°C group on the 1st, 13th and 17th, but significantly higher on the 21st treatment day. The IgA, IgY and IgM concentrations of birds in 21?°C group were significantly lower than those in 16?°C group on all the treatment days.ConclusionsThis study shows that spring temperature rising negatively influences antioxibative and humoral immune functions, which indicates that spring climate warming might reduce the fitness of the temperate passerine birds which have adapted to the low spring temperature.
机译：背景技术对于对动物进行全球变暖的严重影响的可能性对于了解气候变化对生态系统的生态后果非常重要。春天是本赛季，其中鸟类必须在生理学上为随后的育种时间做好准备，并且不寻常的弹簧温度上升可能变成了适应低弹簧温度的鸟类的热应力。因此，有必要了解温带鸟类春季变暖的生理效果。一致的血液抗氧化酶（SOD，猫，GPX）和血清免疫加仑菌株（IgA，IgY，IgM）的浓度为指标，我们比较了2015年3月10日和15月15日至15日之间捕获的亚洲短趾甲（Calandrolla Cheleensis）的抗氧化和免疫功能，并在21°C和16？°C的条件下饲养了21次鸟类的SOD活动？ °C基团在所有治疗天上显着低于16°C组。 21°C组鸟类的猫活性显着低于1，第5，第13次，17名治疗天的16℃群体。 21°C组中鸟类的GPX活性比1st，13和17日的16°C集团的GPX活性低于16°C组，但在第21次治疗日明显较高。在21°C组中鸟类的IgA，IgY和IgM浓度明显低于16℃，在所有治疗日内的鸟类中的浓度显着低。结论性研究表明，春天温度上升负面影响抗筛抗和体液免疫功能，这表明这表明春天气候变暖可能会降低适应低弹簧温度的温带帕罗宁鸟的适应性。

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