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首页> 外文期刊>Acta theriologica >Body temperature and body mass of hibernating little brown bats Myotis lucifugus in hibernacula affected by white-nose syndrome
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Body temperature and body mass of hibernating little brown bats Myotis lucifugus in hibernacula affected by white-nose syndrome

机译：冬眠小棕蝙蝠的温度和体重受白鼻综合征影响的冬眠的冬虫夏草

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摘要

Populations of hibernating bats in the northeastern USA are being decimated by white-nose syndrome (WNS). Although the ultimate cause of death is unknown, one possibility is the premature depletion of fat reserves. The immune system is suppressed during hibernation. Although an elevated body temperature (T_b) may facilitate an immune response, it also accelerates the depletion of fat stores. We sought to determine if little brown bats Myotis lucifugus Le Conte 1831 hibernating in WNS-affected hibernacula have an elevated T_b and reduced fat stores, relative to WNS-unaffected Indiana bats Myotis sodalis Miller and Allen 1928 from Indiana. We found that WNS-affected M. lucifugus maintain a slightly, but significantly, higher skin temperature (T_(skin)), relative to surrounding rock temperature, than do M. sodalis from Indiana. We also report that WNS-affected M. lucifugus weigh significantly less than M. lucifugus from a hibernaculum outside of the WNS region. However, the difference in T_(skin) is minimal and we argue that the elevated T_b is unlikely to explain the emaciation documented in WNS-affected bats.
机译：美国东北部的冬蝙蝠种群正因白鼻综合症（WNS）而大量减少。尽管最终的死亡原因尚不清楚，但一种可能性是脂肪储备的过早消耗。冬眠期间免疫系统受到抑制。尽管升高的体温（T_b）可能会促进免疫反应，但也会加速脂肪存储的消耗。我们试图确定冬眠在WNS感染的冬眠虫中的褐褐蝙蝠Myotis lucifugus Le Conte 1831是否相对于印第安纳州WNS感染的印第安蝙蝠Myotis sodalis Miller和Allen 1928而言具有升高的T_b和减少的脂肪储存。我们发现，受到WNS感染的M. lucifugus的皮肤温度（T_（skin））相对于围岩温度略高于印第安纳州的Sodalis。我们还报告说，受WNS感染的M. lucifugus的重量显着小于WNS区域以外的来自冬眠的M. lucifugus。但是，T_（皮肤）的差异很小，我们认为升高的T_b不太可能解释WNS蝙蝠中记录的消瘦现象。

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