1. Pertinent Information
    1. The plan should contain a brief summary of relevant information on the natural history and behavioral ecology of each species of nonhuman primate in the facility in the context of scientific justification for the enrichment strategies implemented. The clinical records should indicate both the medical and behavioral status of the animals and treatment(s) to be administered. Environmental or behavioral enrichments might include such treatments as the following:
      1. Habitat diversity.
      2. Feeding habits. (pp. 18, 20, 39–40)
      3. Social organization. (pp. 13–14, 16–17, 25, 42–43)
      4. Manipulable objects and toys. (pp. 21–22)
      5. Other
    1. The plan should provide a mechanism for maintaining and using animal records if such a plan is not already part of the facility program, including the following types of information, if known:
      1. Source of animal (born at facility or acquired from person and/or institutional source). (pp. 13, 19)
      2. Rearing history (wild-born, reared at facility in mixed-sex groups, peer-reared, etc.). (p. 19)
      3. Housing history (type of cage and types of partners). (P. 12)
      4. Health and behavior records and miscellaneous observations. (pp. 26, 38–39)
      5. Other.
  1. Social Interactions (pp. 13–14)

    The plan should contain a discussion of how social interactions are to be provided, including one or more of the following:

    1. Continuous housing in pairs or groups. (pp. 16–17)
    2. Intermittent housing in pairs or groups, e.g., 1h or more several times a week (a standard procedure for social unit formation should take into account the risks in group formation). (p. 17)
    3. Visual, auditory, and olfactory contact with conspecifics. (pp. 17, 33)
    4. Positive interaction with animal care technicians. (p. 25)
    5. Interactions with other species (e.g., chimpanzees with dogs). (p. 108)
  1. Environmental Enrichment

    The plan should contain a discussion of techniques used to provide opportunities for foraging and exploration, such as those in the following list. It is recommended that techniques from the categories

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