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The changes of feeding behavior of laying hens with reduction in feeding time



The changes of feeding behavior of laying hens with reduction in feeding time



Japanese Journal of Zootechnical Science 54(12): 798-804



Changes of feeding and other activities of laying hens with reduction in feeding time were analyzed to gain insight into the meaning of pecking for leisure. Six hens were reared on the pelleted feed with the feeding time either restricted (4 h or 1 h per day) or non-restricted in experiment I. In experiment II, the feeding time was further reduced up to 15 min per day and the changes in feeding behavior were observed for 12 hens. Hens became capable of consuming the daily ration within the restricted feeding time on and after the 4th day of the restriction experiment. Daily feed intake was not appreciably affected by restricting the feeding time up to 30 min. The time spent for pecking at feed decreased, but the time spent for pecking at the cage and for preening increased as the feeding time shortened. The total time spent for the activities using the beak was not changed by different feeding time. Part of the pecks at feed are probably pecking for leisure; further examination is required to define the meaning of, and to find how to measure, the time spent for eating. The diurnal behavioral pattern was not affected by different feeding time.

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Accession: 006612839

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