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  • Title: A comparison of the behavior of Macaca fascicularis and Macaca mulatta in relation to the menstrual cycle.
    Author: Zumpe D, Michael RP.
    Journal: Am J Primatol; 1983; 4(1):55-72. PubMed ID: 31991973.
    Abstract:
    Observations on oppositely sexed pairs of M. fascicularis and M. mulatta revealed certain differences. M. fascicularis showed single-mount copulations, higher potency, less grooming activity, and milder but more frequent aggressive exchanges than the rhesus monkey. These differences might be due to the lower dominance gradient between the sexes and less sexual dimorphism in M. fascicularis than in M. mulatta. There were changes in the sexual, grooming, and aggressive interaction in relation to the menstrual cycle, indicating the suitability of M. fascicularis for hormone-behavior studies. Comparison of data from 30 and 60 min tests showed that important behavioral changes did not become apparent unless animals were given enough time to interact.
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