| http://www.w3.org/ns/prov#value | - They can be induced by confinement; for example, cats pace in zoo cages.[4] Pregnant sows whose feed is restricted bite at their stalls' bars, and chew without anything in their mouths.[5] In laboratory rats and mice, grooming is the most common activity other than sleep, and grooming stereotypies have been used to investigate several animal models of anxiety and depression.[6] Examples of stereot
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