Comportement alimentaire du lapin de garenne élevé en captivité. II. - Modifications induites par un décalage des périodes d'éclairement

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Abstract
The feeding pattern of 3 wild rabbits reared in captivity was recorded. During 4 wk the daily light period ranged from 0700 h to 2100 h. The following 7 wk it was changed to 2000 h to 1000 h. The shift of the light phase did not modify the quantitative feed intake; the circadian distribution [rhythm] of feed intake progressively changed within about 4 wk towards an adaptation to the new light period. In some individuals this adaptation was not entirely achieved after 7 wk.