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Journals and Conferences
Facial expressions and gestures seen in eight wild caught adult and three laboratory born stump-tailed macaques are described. Systematic observations, designed to show the association of these with attack, fleeing, grooming, or copulating are reported. The behaviour is in general very similar to that of other macaques. However, we find that Presenting and… (More)
Observations are reported from 7 years of breedingM. arctoides in a small caged colony. From a stock of two males and six females 18 offspring have been born and 17 reared despite leaving young with the mother for approximately 2 years and restricted access between sexes. Overt menstrual bleeding is inconspicuous and external signs of oestrus are minimal.… (More)
Data are given for sexual maturation in a male (fertile mating at 3.25 years post-natal) and female (fertile mating at 3.0 years post-natal)M. arctoides. Comparisons with data forM. mulatta andM. fuscata suggest that these ages are unusually early for macaques.
A male Macaca arctoides imported as an adult in 1966, has demonstrated bilateral galactorrhea since 1973. The animal has not shown any clinical signs of gynecomastia, ill health, or reproductive failure. A sample of the secretion expressed from his nipples contained 2-5% lactose.