連続照明下における産卵鶏の放卵時刻におよぼす給飼・給水の影響

概要

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Experiments were conducted to study the influence of the feeding regimen of the ovipositition of hens under a fixed temperature and continuous lighting. 1. It was confirmed that the control of the feeding activity by restricted water supply was effective for entraining oviposition rhythms. 2. The experiments brought to light the following presumptions; the influene of light-dark cycles as Zeitgebers on the circadian rhythms of hens is due not only to the light stimulation in itself but also to the active feeding during the light period and the rest during the dark period.Experiments were conducted to study the influence of the feeding regimen of the ovipositition of hens under a fixed temperature and continuous lighting. 1. It was confirmed that the control of the feeding activity by restricted water supply was effective for entraining oviposition rhythms. 2. The experiments brought to light the following presumptions; the influene of light-dark cycles as Zeitgebers on the circadian rhythms of hens is due not only to the light stimulation in itself but also to the active feeding during the light period and the rest during the dark period.
1981-10-01