i.Describe the structural elements of the environment of primary enclosures that may enhance the well‑being of animals housed (e.g., resting boards, privacy areas, shelves/perches, swings, hammocks, etc.).
ii.Describe nonstructural provisions to encourage animals to exhibit species‑typical activity patterns (e.g., exercise, gnawing, access to pens, opportunity for exploration, control over environment, foraging, access to a den or refuge, burrowing, nesting materials, toys/manipulanda, browsing, grazing, rooting, climbing).
b.Social Environment [ , p. 64]
i.Describe institutional policy or strategy for social housing of social species.
ii.If social animals are not socially housed, provide justification, as approved by the IACUC/OB.
iii.Describe steps taken with isolated or individually housed animals to compensate for the absence of other animals (e.g., interaction with humans, environmental enrichment, etc.).
c.Procedural Habituation and Training of Animals [ , pp. 64-65]
Describe how animals are habituated to routine husbandry or experimental procedures, when possible, to assist animals to better cope with their environment by reducing stress associated with novel procedures or people.
d.Enrichment, Social and Behavioural Management Programme Review [, pp. 58, 69]
Describe how enrichment programmes and exceptions to social housing of social species are regularly reviewed to ensure that they are beneficial to animal well-being and consistent with the goals of animal use.