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Maternal egg care enhances hatching success and offspring quality in an oviparous skink

Integrative Zoology 2022年第3期17卷 468-477页

作者： Hongliang LU Jie WANG Chunquan KANG Weiguo DU Key Laboratory of Hangzhou City for Ecosystem Protection and Restoration School of Life and Environmental SciencesHangzhou Normal UniversityHangzhouChina Key Laboratory of Animal Ecology and Conservation Biology Chinese Academy of SciencesInstitute of ZoologyBeijingChina

Maternal egg-caring behavior can often be observed in oviparous scincid *** expression of such behavior is predictably affected by the trade-off between its resultant costs and benefits for mothers and/or offspring,which has been investigated in only a few scincid ***,post-ovipositional Plestiodon chinensis females were treated to care for their egg clutches without interference,under simulated predation pressure,or to be *** maternal costs and offspring benefits associated with egg-caring behavior were then evaluated by measuring changes in maternal body condition,egg mortality,and hatchling ***-caring behavior caused post-ovipositional females to participate less in outside-nest activity,eat less food,and show relatively poorer body conditions at egg *** contrast,compared with care-deprived females,egg-caring females gained mass slightly faster,and achieved a similar body condition within a few months of *** that were cared for by their mothers were more likely to hatch and produced larger,faster-running and better-growing hatchlings with higher survival than uncared-for *** exposure to a potential predator had no distinct impact on maternal egg-caring behavior expression and offspring *** results indicated that marked benefits of offspring viability but minor maternal energy costs might play a decisive role in the occurrence of maternal egg-caring behavior in ***.

关键词： benefit-cost tradeoff egg mortality offspring fitness parental care Plestiodon chinensis

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