Fecal glucocorticoid metabolite relates to social rank in Sichuan snub-nosed monkeys

作     者：Yang, L. L. Huettmann, F. Brown, J. L. Liu, S. Q. Wang, W. X. Yang, J. Y. Hu, D. F. 

作者机构：Beijing Forestry Univ Coll Nat Conservat Lab Noninvas Res Technol Endangered Wildlife Beijing Peoples R China Univ Alaska Fairbanks Inst Arctic Biol EWHALE Lab Dept Biol & Wildlife Fairbanks AK USA Smithsonian Inst Natl Zool Pk Ctr Species Survival Smithsonian Conservat Biol Inst Front Royal VA USA Sichuan Snub Nosed Monkeys Res Inst Hu Bei Prov Changsha Hunan Peoples R China 

出 版 物：《ITALIAN JOURNAL OF ZOOLOGY》 (意大利动物学杂志)

年 卷 期：2016年第83卷第1期

页      面：15-25页

核心收录：

学科分类：0710[理学-生物学] 07[理学] 071002[理学-动物学] 

基　　金：Special Fund for Forestry Scientific Research in the Public Interest China's Ministry of Science and Technology EWHALE lab, University of Alaska Fairbanks (UAF) 

主　　题：Sichuan snub-nosed monkey (Rhinopithecus roxellana) machine learning and data mining open access dominance rank and stress fecal glucocorticoid metabolites (FGM) 

摘      要：Studies suggest there is a connection between adrenal cortisol production and social rank in many non-human primates. Behavioral observations have confirmed that Sichuan snub-nosed monkeys (Rhinopithecus roxellana) have obvious social ranks. Thus, the goal of this study was to investigate whether there is a relationship between fecal glucocorticoid metabolite (FGM) concentrations as an indicator of social stress and dominance rank in Sichuan snub-nosed monkeys. Fecal samples were collected about every 5days for 1year from 10 Sichuan snub-nosed monkeys ( 7years old;n=5 males, 5 females), and analysed for FGM with a corticosterone radioimmunoassay using machine learning and open access data. Results showed that: (1) yearly mean FGM levels were negatively correlated with individual animal behavioral social rank in both males and females;(2) we divided the whole year into warm and cold seasons (seasonally) and breeding and nonbreeding seasons physiologically. Except for cold seasons, FGM levels have a negative correlation with behavioral social ranks in males and females;(3) female rank does not clearly relate to FGM levels;(4) social ranks of snub-nosed monkeys are more collaborative traits than aggressive ones. Our ?ndings have important implications for understanding the different physiological consequences of dominant and subordinate social status on Sichuan snub-nosed monkey societies, and it quantifies how physiological stress differs during seasons and phases, and by individuals.