Glucocorticoids of bison bulls in relation to social status

Mooring, Michael S.; Patton, Marilyn L.; Lance, Valentine A.; Hall, Barbara; Schaad, Eric W.; Fetter, G.A.; Fortin, S.S.; McPeak, Kathryn

doi:10.1016/j.yhbeh.2005.08.008

Cited by 76 publications

(69 citation statements)

References 30 publications

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“…mate-guarding and non-mate-guarding males) were in general more physiologically stressed during the mating periods than during the non-mating ones confirming previous finding in the same population (Girard-Buttoz et al, 2009). This pattern is in line with many studies in vertebrates that found a clear rise in glucocorticoid levels during the reproductive period (Barrett et al, 2002;Fichtel et al, 2007;Moore and Jessop, 2003;Mooring et al, 2006, for a review see Romero, 2002). Interestingly, being at the top of the dominance hierarchy appears to be physiologically stressful for male long-tailed macaques independently of competition for access to females.…”

Section: Discussionsupporting

confidence: 90%

“…In vertebrates, including primates, male-male competition for accessing fertile females is usually associated with a rise in stress hormone levels (glucocorticoids; GC) during the reproductive period (for a review see Romero, 2002, see also Barrett et al, 2002;Fichtel et al, 2007;Girard-Buttoz et al, 2009;Moore and Jessop, 2003;Mooring et al, 2006;Ostner et al, 2008a;Tokarz et al 1998). In this highly energetically demanding context, cortisol plays a crucial role by stimulating gluconeogenesis and the mobilization of fatty acids from body stores (Sapolsky, 2002).…”

Section: Introductionmentioning

confidence: 99%

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Costs of mate-guarding in wild male long-tailed macaques (Macaca fascicularis): Physiological stress and aggression

Girard‐Buttoz

Heistermann

Rahmi

et al. 2014

Hormones and Behavior

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Mate-guarding is an important determinant of male reproductive success in a number of species. However, it is known to potentially incur costs. The aim of the present study was to assess the effect of mate-guarding on male physiological stress and aggression in long-tailed macaques, a species in which males mate-guard females to a lesser extent than predicted by the Priority of Access model (PoA). The study was carried out during two mating periods on three groups of wild long-tailed macaques in Indonesia by combining behavioral observations with non-invasive measurements of fecal glucocorticoid (fGC) levels. Mate-guarding was associated with a general rise in male stress hormone levels but, from a certain threshold of mate-guarding onwards, increased vigilance time was associated with a decrease in stress hormone output. Mate-guarding also increased male-male aggression rate and male vigilance time. Overall, alpha males were more physiologically stressed than other males independently of mating competition. Increased glucocorticoid levels during mate-guarding are most likely adaptive since it may help males to mobilize extra-energy required for mate-guarding and ultimately maintain a balanced energetic status. However, repeated exposure to high levels of stress over an extended period is potentially deleterious to the immune system and thus may carry costs. This potential physiological cost together with the cost of increased aggression mate-guarding male face may limit the male's ability to mate-guard females, explaining the deviance from the PoA model observed in long-tailed macaques. Comparing our results to previous findings we discuss how ecological factors, reproductive seasonality and rank achievement may modulate the extent to which costs of mate-guarding limit male monopolization abilities.

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Section: Discussionsupporting

confidence: 90%

Section: Introductionmentioning

confidence: 99%

Costs of mate-guarding in wild male long-tailed macaques (Macaca fascicularis): Physiological stress and aggression

Girard‐Buttoz

Heistermann

Rahmi

et al. 2014

Hormones and Behavior

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“…Maintaining social dominance might also be stressful, and several studies have found that dominant animals in both stable and unstable environments have elevated basal cortisol concentrations and increased reactivity (see for example, Li et al 2007;Mooring et al 2006;Muller and Wrangham 2004). Others have found no association between social rank and basal serum cortisol levels (see for example, Bales et al 2005;Bales et al 2006;Stefanski 2001).…”

Section: Physiological Effects Of Social Statusmentioning

confidence: 99%

Toward an Understanding of Gender Differences in the Impact of Marital Conflict on Health

Wanic

Kulik

2011

Sex Roles

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The present paper addresses the consistent finding that men derive more benefit from marriage in terms of both morbidity and mortality compared to women in U. S. society. Based on the evidence that spousal conflict adversely influences physiology and health, with greater negative impact on wives compared to husbands, we propose that the stronger impact of relationship negativity contributes to the decreased marriage benefit for women. Evidence bearing on two explanations for this differential impact of conflict is reviewed. The relationalinterdependence view, proposed by Kiecolt-Glaser and Newton (2001), holds that women are more affected by marital conflict because of their more relationally interdependent self-representations. An alternative view, which we call the subordination-reactivity hypothesis, suggests that women experience greater physiological and psychological reactivity to marital discord because they typically occupy subordinate (lower status and less powerful) positions relative to their husbands. A review of the evidence on the physiological effects of social status is combined with that of the relationship between gender and status, both within society at large and interpersonal relationships specifically, to support the subordination-reactivity hypothesis. Specifically, there is evidence that low social status negatively impacts health and that women generally occupy subordinate status. The relational-interdependence view is re-evaluated and its intersection with the subordination-reactivity hypothesis is explored. Finally, implications and future directions are discussed.

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“…Palme et al 1999). Although faecal glucocorticoid metabolite (FGM) levels have been successfully determined as an index of adrenal function in closely related species like cattle or bison (Bison bison) (Mooring et al 2006), to our knowledge, a non-invasive approach has not yet been used to monitor adrenocortical activity as a measure of stress in African buffalo.…”

Section: Introductionmentioning

confidence: 99%

Determining Adrenocortical Activity as a Measure of Stress in African Buffalo (Syncerus caffer) Based on Faecal Analysis

et al. 2012

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Little is known about the levels of stress experienced by African buffalos affected by injury, disease, or socio-ecological and anthropogenic factors. To be able to start filling this gap, we examined the suitability of two 11-oxoaetiocholanolone enzyme-immunoassays (EIAs) detecting 11,17 dioxoandrostanes (11,17-DOA) as well as faecal glucocorticoid metabolites (FGMs) with a 5b-3a-ol-11-one structure (3a,11oxo-CM), respectively, for monitoring stress-related physiological responses in African buffalo. An adrenocorticotrophic hormone (ACTH) challenge in one male and one female housed at Mokopane Biodiversity Conservation Centre, South Africa, showed a threefold increase in circulating cortisol levels in a sample taken 40 min post-injection. Corresponding 11,17-DOA levels increased tenfold (female) and 15-fold (male) above baseline, and 3a,11oxo-CM concentrations increased ninefold (female) and 12-fold (male) above pre-injection levels, indicating that both EIAs are suitable for measuring FGMs in African buffalo.In addition, 11,17-DOA levels monitored during the adaptation process of individual housing revealed an up to 14-fold elevation in FGMs. Storage of faeces at ambient temperature for up to 16 h post-defecation resulted in an significant increase in 11,17-DOA levels 2 h after defecation. Finally, higher individual baseline 11,17-DOA concentrations were found in samples defecated overnight, indicating a possible diurnal effect in excretion of FGMs in African buffalo.

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Glucocorticoids of bison bulls in relation to social status

Cited by 76 publications

References 30 publications

Costs of mate-guarding in wild male long-tailed macaques (Macaca fascicularis): Physiological stress and aggression

Costs of mate-guarding in wild male long-tailed macaques (Macaca fascicularis): Physiological stress and aggression

Toward an Understanding of Gender Differences in the Impact of Marital Conflict on Health

Determining Adrenocortical Activity as a Measure of Stress in African Buffalo (Syncerus caffer) Based on Faecal Analysis

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