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Breeding behavior under temporal risk of predation in male root voles (Microtus oeconomus)
Bian, JH; Wu, Y; Liu, JK
2005-10-01
发表期刊JOURNAL OF MAMMALOGY
卷号86期号:5页码:953-960
文章类型Article
摘要We examined breeding behavior responses of male root votes (Microtus oeconomus) to temporal risk of predation by using acute and chronic exposure to predator odor. The 2 series of exposure experiments provided 2 types of temporal patterns of risk: continuous safety with a brief period of risk and Sustained risk with a brief period of safety. Male root votes that were acutely exposed to predator odor for I h suppressed their breeding behavior, but bred immediately after exposure to control odor for I h. Those chronically exposed to predator odor for 20 days maintained behavioral suppression during the 1-h period of exposure to control odor. Acutely exposed males did not change their physiological patterns of breeding, but those chronically exposed to predator odor had reduced testosterone concentration and epididymis index. Our results indicate that breeding behavior in a given situation depends on the overall patterns of risk experienced by male root votes, and the acute and chronic stress responses that affect reproduction are responsible for different behavioral responses to the 2 types of temporal patterns of risk. We also discuss the reasons for conflicting results about breeding suppression of votes between previous studies in the laboratory and the field.; We examined breeding behavior responses of male root votes (Microtus oeconomus) to temporal risk of predation by using acute and chronic exposure to predator odor. The 2 series of exposure experiments provided 2 types of temporal patterns of risk: continuous safety with a brief period of risk and Sustained risk with a brief period of safety. Male root votes that were acutely exposed to predator odor for I h suppressed their breeding behavior, but bred immediately after exposure to control odor for I h. Those chronically exposed to predator odor for 20 days maintained behavioral suppression during the 1-h period of exposure to control odor. Acutely exposed males did not change their physiological patterns of breeding, but those chronically exposed to predator odor had reduced testosterone concentration and epididymis index. Our results indicate that breeding behavior in a given situation depends on the overall patterns of risk experienced by male root votes, and the acute and chronic stress responses that affect reproduction are responsible for different behavioral responses to the 2 types of temporal patterns of risk. We also discuss the reasons for conflicting results about breeding suppression of votes between previous studies in the laboratory and the field.
关键词Breeding Behavior Corticosterone Microtus Oeconomus Predation Risk
WOS标题词Science & Technology ; Life Sciences & Biomedicine
学科领域动物学
关键词[WOS]CORTICOTROPIN-RELEASING FACTOR ; RAT SEXUAL-BEHAVIOR ; CYCLIC BANK VOLES ; ANTIPREDATORY BEHAVIOR ; SUPPRESSION ; STRESS ; CORTICOSTERONE ; REPRODUCTION ; ENVIRONMENT ; ADAPTATION
收录类别SCI
语种英语
WOS研究方向Zoology
WOS类目Zoology
WOS记录号WOS:000232875400013
引用统计
被引频次:15[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://210.75.249.4/handle/363003/1356
专题中国科学院西北高原生物研究所
作者单位1.Chinese Acad Sci, NW Inst Plateau Biol, Xining 810001, Qinghai, Peoples R China
2.Zhejiang Univ, Coll Life Sci, Hangzhou 310028, Zhejiang, Peoples R China
3.Hangzhou Normal Coll, Sch Life Sci, Hangzhou 310012, Zhejiang, Peoples R China
推荐引用方式
GB/T 7714
Bian, JH,Wu, Y,Liu, JK. Breeding behavior under temporal risk of predation in male root voles (Microtus oeconomus)[J]. JOURNAL OF MAMMALOGY,2005,86(5):953-960.
APA Bian, JH,Wu, Y,&Liu, JK.(2005).Breeding behavior under temporal risk of predation in male root voles (Microtus oeconomus).JOURNAL OF MAMMALOGY,86(5),953-960.
MLA Bian, JH,et al."Breeding behavior under temporal risk of predation in male root voles (Microtus oeconomus)".JOURNAL OF MAMMALOGY 86.5(2005):953-960.
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