Climate and reproductive seasonality in two free-ranging island populations of rhesus macaques (Macaca mulatto)

1994 ◽  
Vol 15 (1) ◽  
pp. 115-128 ◽  
Author(s):  
Shawn M. Lehman ◽  
Linda L. Taylor ◽  
Stephen Phillip Easley
Keyword(s):  
Rhesus Macaques ◽  
Reproductive Seasonality ◽  
Island Populations ◽  
Macaca Mulatto ◽  
Free Ranging

Intestinal Parasites of the Free‐Ranging Cayo Santiago Rhesus Monkeys ( Macaca mulatto )

1984 ◽  
Vol 13 (2) ◽  
pp. 57-66 ◽  
Author(s):  
Matt J. Kessler ◽  
Barbara Yarbrough ◽  
Richard G. Rawlins ◽  
John Berard
Keyword(s):  
Rhesus Monkeys ◽  
Intestinal Parasites ◽  
Cayo Santiago ◽  
Macaca Mulatto ◽  
Free Ranging

scholarly journals Urinary suPAR: a non-invasive biomarker of infection and tissue inflammation for use in studies of large free-ranging mammals

2020 ◽  
Vol 7 (2) ◽  
pp. 191825 ◽  
Author(s):  
James P. Higham ◽  
Christiane Stahl-Hennig ◽  
Michael Heistermann
Keyword(s):  
Immune Activation ◽  
Rhesus Macaques ◽  
Soluble Form ◽  
Surgical Trauma ◽  
Large Mammals ◽  
Urokinase Plasminogen Activator Receptor ◽  
Different Temperatures ◽  
Processing And Storage ◽  
Cellular Immune ◽  
Free Ranging

Studies of large free-ranging mammals incorporating physiological measurements typically require the collection of urine or faecal samples, due to ethical and practical concerns over trapping or darting animals. However, there is a dearth of validated biomarkers of immune activation and inflammation that can be measured non-invasively. We here evaluate the utility of urinary measurements of the soluble form of the urokinase plasminogen activator receptor (suPAR), for use as a health marker in studies of wild large mammals. We investigate how urinary suPAR concentrations change in response to viral infection and surgical trauma (inflammation), comparing it to the measurement of a marker of cellular immune activation, urinary neopterin (uNEO), in captive rhesus macaques. We then test the field utility of urinary suPAR, assessing the effects of soil and faecal contamination, sunlight, storage at different temperatures, freeze–thaw cycles, and lyophilization. We find that suPAR concentrations rise markedly in response to both infection and surgery-associated inflammation, unlike uNEO concentrations, which only rise in response to the former. Our field validation demonstrates that urinary suPAR is reasonably robust to many of the issues associated with field collection, sample processing, and storage, as long as samples can be stored in a freezer. Urinary suPAR is thus a promising biomarker applicable for monitoring various aspects of health in wild primates and potentially also other large mammals.

Infant handling enhances social bonds in free-ranging rhesus macaques (Macaca mulatta)

Behaviour ◽  
2017 ◽  
Vol 154 (7-8) ◽  
pp. 875-907 ◽  
Author(s):  
Erica S. Dunayer ◽  
Carol M. Berman
Keyword(s):  
Macaca Mulatta ◽  
Social Bonds ◽  
Rhesus Macaques ◽  
Social Characteristics ◽  
Future Research ◽  
Fitness Effects ◽  
Early Handling ◽  
Infant Handling ◽  
Free Ranging ◽  
The Relationship

Throughout the primate order, individuals are highly motivated to handle infants that are not their own. Given the differing and often conflicting interests of the various participants in handling interactions (handler, infant, and mother), most functional hypotheses are specific to particular handling roles. Here we explore one hypothesis that may apply to all participants, but that has received relatively little attention: that handling may facilitate the formation and maintenance of social bonds. Using free-ranging rhesus macaques (Macaca mulatta) on Cayo Santiago, we examine the relationship between infant handling in the early weeks and the strength and diversity of infant social bonds months later, when infant relationships were more independent from those of their mothers. Our results largely confirm the influence of several social characteristics (kinship, rank, sex, and age) in governing handling interactions. They also provide the first evidence that early handling is associated with later social bonds that are stronger than expected based on these social characteristics. However, the enhancement of bonds is largely confined to related handlers; frequent unrelated handlers did not generally go on to form strong bonds with infants. This suggests that kinship may be a sort of prerequisite to the enhancement of social bonds via handling. Given the adaptive benefits of strong social bonds among adult primates, future research should investigate whether early infant handling may have longer term fitness effects.

Aspects of fight interference in free-ranging and compound-dwelling rhesus macaques (Macaca mulatta)

1987 ◽  
Vol 12 (3) ◽  
pp. 287-298 ◽  
Author(s):  
Jay R. Kaplan ◽  
Dennis K. Chikazawa ◽  
Stephen B. Manuck
Keyword(s):  
Macaca Mulatta ◽  
Rhesus Macaques ◽  
Free Ranging

CSF 5-HIAA, testosterone, and sociosexual behaviors in free-ranging male rhesus macaques in the mating season

1997 ◽  
Vol 72 (2) ◽  
pp. 89-102 ◽  
Author(s):  
Patrick T Mehlman ◽  
J.Dee Higley ◽  
Beth J Fernald ◽  
Floyd R Sallee ◽  
Stephen J Suomi ◽  
...  
Keyword(s):  
Rhesus Macaques ◽  
Mating Season ◽  
Free Ranging ◽  
Male Rhesus

scholarly journals Genetic influences on social attention in free-ranging rhesus macaques

2015 ◽  
Vol 103 ◽  
pp. 267-275 ◽  
Author(s):  
K.K. Watson ◽  
D. Li ◽  
L.J.N. Brent ◽  
J.E. Horvath ◽  
J. Gonzalez-Martinez ◽  
...  
Keyword(s):  
Rhesus Macaques ◽  
Social Attention ◽  
Genetic Influences ◽  
Free Ranging
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