Interspecies pair housing of macaques in a research facility
Department of Comparative Medicine, University of Rochester, Rochester, NY 14642, USA.Laboratory Animals (Impact Factor: 1.12). 01/2012; 46(2):170-2. DOI: 10.1258/la.2011.011134
The eighth edition of The Guide for the Care and Use of Laboratory Animals establishes social housing as the 'default' for social species including non-human primates. The advantages of social housing for primates have been well established, but small research facilities housing few primates in indoor cages have struggled with social housing as a result of limitations on appropriate housing and availability of compatible monkeys. Here, we report a novel approach to pair housing macaques - crossing species. We have successfully pair housed an intact male rhesus macaque with an intact male cynomolgus macaque, and an adult female rhesus macaque with numerous subadult female cynomolgus macaques. Monkeys in these pairs established dominant-subordinate relationships similar to same-species pairs. Rhesus and cynomolgus macaques can be successfully paired for the purpose of social housing in facilities with limited numbers of monkeys.
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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.Animal welfare (South Mimms, England) 09/2014; 23(4). DOI:10.7120/096272126.96.36.1997 · 1.31 Impact Factor
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ABSTRACT: A 5.5-y-old male rhesus monkey (Macaca mulatta) housed in an outdoor field cage presented for severe trauma involving the left calcaneal tendon. Part of the management of this wound included an allograft of the calcaneal tendon from an animal that was euthanized for medical reasons. This case report describes the successful medical and surgical management of a macaque with a significant void of the calcaneal tendon. To our knowledge, this report is the first description of a successful tendon allograft in a rhesus macaque for clinical purposes.Journal of the American Association for Laboratory Animal Science: JAALAS 09/2014; 53(5):523-527. · 1.12 Impact Factor
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