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  1. Positive reinforcement training as enrichment for singly housed rhesus macaques ( Macaca mulatta )

    Contributor(s):: Baker, K. C., Bloomsmith, M. A., Neu, K., Griffis, C., Maloney, M.

    Positive reinforcement training is one component of behavioural management employed to improve psychological well-being. There has been regulatory promotion to compensate for restricted social housing in part by providing human interaction to singly caged primates, implying an efficacy standard...

  2. Presence of a privacy divider increases proximity in pair-housed rhesus monkeys

    Contributor(s):: Basile, B. M., Hampton, R. R., Chaudhry, A. M., Murray, E. A.

    Use of a privacy panel in the home cage of female pair-housed rhesus monkeys has been reported to increase time spent in close proximity and time spent in affiliative behaviours. In the current study we measured these behaviours in more diverse populations; including male-male and male-female...

  3. Re-assessing the reversibility of melengestrol acetate (MGA) implants in golden-headed lion tamarins ( Leontopithecus chrysomelas ): a comparison with golden lion tamarins ( L. rosalia )

    Contributor(s):: Vleeschouwer, K. de, Leus, K., Elsacker, L. van

    The reversibility and flexibility of contraceptive methods generally allow for improved genetic and demographic management of captive populations. Earlier studies have produced conflicting results regarding the restoration of reproduction after using melengestrol acetate (MGA) implants in...

  4. Selective breeding of primates for use in research: consequences and challenges

    Contributor(s):: Honess, P., Stanley-Griffiths, M. A., Narainapoulle, S., Naiken, S., Andrianjazalahatra, T.

    Primates are bred in captivity for a number of purposes, from zoo-based captive breeding programmes for conservation to breeding for biomedical research. In each case, breeding animals that are fit for purpose, either as viable candidates for reintroduction or as valid research models, has...

  5. Stability of breeding and non-breeding groups of golden-headed lion tamarins ( Leontopithecus chrysomelas )

    Contributor(s):: Vleeschouwer, K. de, Leus, K., Elsacker, L. van

    In Callitrichid primates, offspring remain in their natal group beyond the age of sexual maturity, increasing the group's inclusive fitness by cooperatively rearing their siblings. Contraception of the dominant female in these groups may alter the associated costs and benefits of this cooperative...

  6. Survival and adaptation of a released group of confiscated capuchin monkeys

    Contributor(s):: Suarez, C. E., Gamboa, E. M., Claver, P., Nassar-Montoya, F.

    One commonly used method of managing confiscated wild primates in Latin American countries is to release rehabilitated individuals back to their natural habitats. However, little information has been collected from confiscated animal releases, so no clear guidelines have been developed to measure...

  7. The humane control of captive marmoset and tamarin populations

    Contributor(s):: Sainsbury, A. W.

  8. Ethics and animal welfare in wild primates

    Contributor(s):: Oliveira, M. A. B. de

    The concept of 'ethics' is usually applied, among primates, to humans only. This article argues that it should also be applied to non-human primates. Brazil is the 'guardian' of the most rich and diverse - and threatened - fauna of non-human primates in the world. Of 103...