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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
Source PublicationJOURNAL OF MAMMALOGY
Volume86Issue:5Pages:953-960
SubtypeArticle
AbstractWe 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.
KeywordBreeding Behavior Corticosterone Microtus Oeconomus Predation Risk
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Subject Area动物学
WOS KeywordCORTICOTROPIN-RELEASING FACTOR ; RAT SEXUAL-BEHAVIOR ; CYCLIC BANK VOLES ; ANTIPREDATORY BEHAVIOR ; SUPPRESSION ; STRESS ; CORTICOSTERONE ; REPRODUCTION ; ENVIRONMENT ; ADAPTATION
Indexed BySCI
Language英语
WOS Research AreaZoology
WOS SubjectZoology
WOS IDWOS:000232875400013
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Document Type期刊论文
Identifierhttp://210.75.249.4/handle/363003/1356
Collection中国科学院西北高原生物研究所
Affiliation1.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
Recommended Citation
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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