Annual Reproductive Strategy of the Squirrel Monkey (Saimiri sciureus)

The physiological and behavioral factors underlying the annual reproductive cycle of the squirrel monkey were evaluated under controlled laboratory conditions. Mating activity following the formation of two social groups served to synchronize the reproductive phases during the subsequent year of obs...

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Bibliographic Details
Published inFolia primatologica Vol. 29; no. 1; pp. 19 - 42
Main Authors Coe, Christopher L, Rosenblum, Leonard A
Format Journal Article
LanguageEnglish
Published The Netherlands Brill 01.01.1978
Subjects
Animals
Body Weight
Castration - veterinary
Dominance-Subordination
Female
Haplorhini - physiology
Housing, Animal
Lactation
Male
Pregnancy
Reproduction
Saimiri - physiology
Spatial Behavior
Testis - growth & development
Vagina - cytology
Squirrel monkey
Reproduction
Annual reproductive cycle
Sexual segregation
Saimiri sciureus
Seasonal breeding
Fatting response
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ISSN0015-5713
1421-9980
DOI10.1159/000155824

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Summary:The physiological and behavioral factors underlying the annual reproductive cycle of the squirrel monkey were evaluated under controlled laboratory conditions. Mating activity following the formation of two social groups served to synchronize the reproductive phases during the subsequent year of observation. Changes in male and female reproductive status were assessed during four designated phases: breeding, pregnancy, lactation and fatting. Behavioral and somatic changes in gonadectomized subjects, living in the social groups, were also evaluated. The variations in behavior and physiology across the year were considered in terms of factors constraining the timing of the natural reproductive pattern.
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ISSN:0015-5713
1421-9980
DOI:10.1159/000155824