Fig. 4. Changes in ‘grooming’ behaviour of mice fed the low-energy diet (A) from early pregnancy (N=15) and (B) from parturition (N=13). Observations made at night are identified by filled symbols; observations during the day are shown by open symbols. A significant trend was apparent only for the lactation-onset group at night. Each point represents the mean percentage time spent in the behaviour across all mice. Parturition is day 0.

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