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Social housing of non-human primates in a research facility: socialization across macaque species and sexes

Published online by Cambridge University Press:  01 January 2023

A Rehrig ,
L DiVincenti Jr  and
LA Schery
A Rehrig*
Affiliation:
University of Rochester, 601 Elmwood Ave, Box 674, Rochester, NY 14642, USA
L DiVincenti Jr
Affiliation:
University of Rochester, 601 Elmwood Ave, Box 674, Rochester, NY 14642, USA
LA Schery
Affiliation:
University of Rochester, 601 Elmwood Ave, Box 674, Rochester, NY 14642, USA
*
* Contact for correspondence and requests for reprints: angelika_rehrig@urmc.rochester.edu
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Abstract

Refinement of social housing practices is paramount to improving animal welfare in laboratory environments, especially with regard to non-human primates. Even though social housing of the same species should be considered the optimal paradigm, cynomolgus (Macaca fascicularis) and rhesus macaques (Macaca mulatta) share similar communication styles making inter-species, opposite sex socialisation a viable approach to providing social enrichment. This paper describes social housing a male cynomolgus macaque, which underwent a routine orchiectomy prior to pairing, with a female rhesus macaque for the purpose of providing social interaction for animals that otherwise would have been single housed. Once paired, the primates exhibited behaviours indicative of compatibility, including mounting, lip smacking, grooming, co-threatening and choosing to remain in close proximity. Social housing also ameliorated abnormal behaviour (eg pacing, self-directed fur-plucking) in the female macaque. Neutering male macaques, mixed-species pairing and opposite sex socialisation are all valid options for reducing the number of individually housed primates in research facilities.

Keywords

animal welfarecynomolgus macaqueinterspeciesopposite sexrhesus macaquesocial housing
Type
Research Article
Information
Animal Welfare , Volume 23 , Issue 4 , November 2014 , pp. 387 - 389
Copyright
© 2014 Universities Federation for Animal Welfare

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