Abstract
ALTHOUGH information about ejaculation in infra-primate mammals is available1–4, quantitative data are lacking for most primates. Field studies5–6 have provided the basic information on the copulatory sequences of behaviour of adult rhesus monkeys; findings which have recently been confirmed in the laboratory7. The present investigation is concerned with a particular aspect of sexual behaviour: namely, the relation between mounting and thrusting activity on one hand and the timing of ejaculation on the other.
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MICHAEL, R., SAAYMAN, G. Sexual Performance Index of Male Rhesus Monkeys. Nature 214, 425 (1967). https://doi.org/10.1038/214425a0
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DOI: https://doi.org/10.1038/214425a0
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