Social Activities Related to Rhesus Monkey Consort Behavior

1963 ◽  
Vol 13 (2) ◽  
pp. 375-379 ◽  
Author(s):  
Irwin S. Bernstein

The dominant male and six adult female rhesus monkeys within a larger group were studied to determine behavioral correlates of the estrus cycle. Consort behavior was expressed primarily in increased proximity scores and consequent increases in all types of social interaction. Estrus females enjoy greater toleration by the male, but may be attacked too, and show no change in dominance rank relative to other group members. Some females remain in proximity with the dominant male whenever tolerated regardless of sexual status and others avoid him even when in estrus.

2013 ◽  
Vol 100 (3) ◽  
pp. S338
Author(s):  
C.V. Bishop ◽  
W.K. McGee ◽  
E. Galbreath ◽  
M.B. Zelinski ◽  
J.L. Cameron ◽  
...  

2021 ◽  
Author(s):  
Taylor Lynne Rystrom ◽  
Romy C. Prawitt ◽  
S. Helene Richter ◽  
Norbert Sachser ◽  
Sylvia Kaiser

Social interactions among group members often lead to the formation of stable dominance hierarchies. Glucocorticoids (i.e. cortisol) have been proposed as an endocrine mechanism underlying social behavior, and previous studies have linked baseline as well as challenge glucocorticoid concentrations to dominance rank. Since the importance of rank on fitness differs between males and females, selection pressures acting on the underlying endocrine mechanisms may differ between the sexes. In male guinea pigs, for example, it is known that cortisol responsiveness mediates social behavior and that dominance rank and cortisol responsiveness are stable within individuals over time. It is unclear whether this is also the case for female guinea pigs. Thus the aim of this study was to investigate whether cortisol concentrations are repeatable in female guinea pigs and whether female rank is correlated to baseline cortisol concentrations or cortisol responsiveness. We show that cortisol responsiveness and dominance rank were significantly repeatable but not correlated in female guinea pigs. Furthermore, baseline cortisol was not repeatable and also did not correlate to dominance rank. Our results demonstrate that baseline cortisol and cortisol responsiveness represent different biological processes; cortisol responsiveness reflects a stable trait while baseline cortisol likely fluctuates with current state. Furthermore, cortisol responsiveness as a mediator of aggressive behavior and dominance acquisition might not be important for maintaining dominance hierarchies in stable groups of females displaying minimal aggression. Overall, this study reveals the remarkable stability of cortisol responsiveness and dominance rank in an adult female rodent and lays the groundwork for future investigations into the causes and consequences of this individual variation.


1975 ◽  
Vol 4 (2) ◽  
pp. 120-128 ◽  
Author(s):  
Beverly Y. Cockrell ◽  
M.G. Valerio ◽  
W.F. Loeb

1985 ◽  
Vol 110 (4) ◽  
pp. 461-468 ◽  
Author(s):  
G. F. X. David ◽  
V. Puri ◽  
A. K. Dubey ◽  
C. P. Puri ◽  
T. C. Anand Kumar

Abstract. Adult female rhesus monkeys exhibiting normal ovulatory menstrual cycles were treated with progesterone nasal sprays. Animals in group A (n = 9) were treated with the solvent only (controls). Animals in groups B (n = 6), C (n = 17) and D (n = 7), respectively, were treated with a daily dose of 0.4, 2 and 10 μg of progesterone and the spraying was done between days 5–14 of the cycle. Ovulation was monitored by laparoscopy on day 20. The serum endocrine profile throughout the treated menstrual cycle was studied with respect to oestradiol and progesterone. Bioactive luteinizing hormone (bLH) was studied in blood samples taken on the day of the mid-cycle oestradiol peak, 2 days before, and 2 days after. The menstrual cycle was divided into two phases with respect to the mid-cycle oestradiol peak: phase I was taken to include day 1 of the cycle to the day of the oestradiol peak, and the remaining part of the menstrual cycle was considered to be phase II. The serum-endocrine profile in the controls was similar to that observed in normal ovulatory menstrual cycles. However, in the progesterone-treated groups three types of menstrual cycles were discernable on the basis of the serum endocrine profile. In the type I menstrual cycle, observed only in group C (n = 10), the mid-cycle bLH peak was abolished and the progesterone levels remained low throughout the cycle. Laparoscopy revealed these to be anovulatory cycles. In the type II menstrual cycle, seen in the 3 animals of group B, 2 animals of group C, and in all the 7 animals of group D, the mid-cycle bLH peak was abolished and the progesterone levels during phase II of the cycle were significantly lower than in the controls, indicative of poor luteal function. In the type III menstrual cycle seen in the remaining monkeys, the serum endocrine profile did not differ from that seen in the controls. Thus, the present studies indicate that the intranasal administration of progesterone shows a dose-response effect with respect to the suppression of the oestradiol induced mid-cycle surge of bLH. Suppression of the mid-cycle bLH peak resulted in anovulatory cycles or ovulatory cycles with poor luteal function.


1972 ◽  
Vol 6 (2) ◽  
pp. 189-198 ◽  
Author(s):  
R. Binns ◽  
G. C. Clark ◽  
C. R. Simpson

Detailed information has been obtained on the normal lung mechanics, lung ventilation and blood gases and pH in unanaesthetized, restrained male and female rhesus monkeys. This information is compared with the limited amount of data previously available on lung function in the rhesus monkey, and with the pulmonary characteristics of the baboon and cynomolgus monkey.


Behaviour ◽  
1966 ◽  
Vol 26 (1-2) ◽  
pp. 91-104 ◽  
Author(s):  
Lawrence G. Sharpe ◽  
Irwin S. Bernstein

AbstractA group of eleven rhesus monkeys selected to approximate a small natural group were allowed to establish a social organization and to live with minimal disturbance in a specially designed compound. Observations were made on a variety of social and individual activities with some manipulation of feeding used to get at specific behavior patterns. Quantitative data on the frequency of activities for each member of the group was obtained. Individual animals were found to fall into subgroup classification in terms of activity patterns observed. This role differentiation was consistent despite minor modifications observed in some individuals. The subgroups correspond by the large to morphological divisions of size and sex, but status also contributed to the differentiation of roles. The role of the dominant male was analyzed in detail and found to supercede that of simple preempting of incentives. Less elaborate analyses were made for other clearly differentiated roles in the group.


2009 ◽  
Vol 24 (12) ◽  
pp. 3188-3195 ◽  
Author(s):  
D.A. Dumesic ◽  
M.S. Patankar ◽  
D.K. Barnett ◽  
T.G. Lesnick ◽  
B.A. Hutcherson ◽  
...  

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