Abstract

Both 14-and 55-day-old chickens were provided with a choice between novel and familiar environments under grouped test conditions. Despite manipulations of habituation periods, food deprivation, and contrast between the two test settings, no preference for novelty was observed. A mild preference for familiarity was shown by chickens habituated to the familiar side for 90 min., but this disappeared after 22 h. habituation. In all conditions a strong preference was exhibited for the environment in which the test period began. General methodological problems in measuring “exploratory” responses in this species are discussed.

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