扁颅蝠(Tylonycteris pachypus)和褐扁颅蝠(T.robustula)理毛行为比较及其与体表寄生虫的关系
Dong wu xue yan jiu = Zoological research / "Dong wu xue yan jiu" bian ji wei yuan hui bian ji（2013）
Abstract
理毛行为是动物防御寄生虫感染有效的行为策略之一.通过室内行为观察,对扁颅蝠(Tylonycteris pachypus)和褐扁颅蝠(T.robustula)的理毛行为进行了研究,分析理毛行为的种间差异,以及体表寄生虫负荷量对理毛行为的影响.结果发现,扁颅蝠和褐扁颅蝠理毛行为主要可分为舔拭及抓挠,两种蝙蝠舔拭行为的频次和持续时长均大于抓挠行为.舔拭和抓挠行为的频次具有种间差异,扁颅蝠舔拭行为的频次高于褐扁颅蝠,但是其抓挠行为频次则低于后者;而舔拭行为和抓挠行为的持续时长无种间差异.两种蝙蝠体表寄生虫负荷量与理毛行为的总时长和总频次均无相关性.这些结果表明,扁颅蝠和褐扁颅蝠的理毛行为可能受到中枢神经调控及外部刺激的共同作用.
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Key words
tylonycteris robustula,Grooming behaviour,grooming behaviour,tylonycteris pachypus,ectoparasite,Tylonycteris robustula,Tylonycteris pachypus,Ectoparasite
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