Changes in gait, (e.g. waddling, ataxia), posture (e.g. hunched-back) and reactivity to handling, placing or other environmental stimuli, as well as the presence of clonic or tonic movements, convulsions, tremors, stereotypies (e.g.excessive grooming, unusual head movements, repetitive circling), bizarre behaviour (e.g. biting or excessive licking, self-mutilation, walking backwards, vocalisation), or aggression should be recorded.
Si l'essai est réalisé le jour du sevrage, il est recommandé d'examiner les petits avant sevrage effectif pour éviter toute confusion avec l'effet du stress associé au sevrage.