不快条件下における産卵鶏の血漿カテコールアミンおよび関連生理反応

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タイトル別名
  • Changes in Plasma Catecholamine and Other Physiological Parameters under Harmful Conditions in Laying Hens
  • Changes in Plasma Catecholamine and Oth

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In order to evaluate the stressive aspect of the layer management, plasma glucose, FFA, epinephrine and norepinephrine concentrations, and plasma monoamine oxidase activity, together with the thermoregulatory responses, were measured under ad lib. feeding. 80% feeding, 60% feeding, immobilization and 35°C heat exposure. Feed intake decreased to 79, 59, 76 and 59% from those of ad lib. feeding under 80% feeding, 60% feeding, immobilization and heat exposure respectively. Respiration rate and body temperature significantly increased under heat exposure, and heart rate significantly increased under immobilization. Glucose concentration significantly increased under immobilization. FFA concentration significantly increased under immobilization and feed reductions. FFA concentration also tended to increase under heat exposure. Epinephrine concentration significantly increased under immobilization and feed reductions, and also tended to increase under heat exposure. Norepinephrine concentration significantly increased under immobilization and heat exposure, and tended to increase under feed reductions. The change in monoamine oxidase activity was not clear. The responses of circulating catecholamine relative to other physiological responses brings to a conclusion that, likewise immobilization, feed reduction and heat exposure would be the stress condition for laying hens.

収録刊行物

  • 日本畜産学会報

    日本畜産学会報 67 (12), 1043-1049, 1996

    公益社団法人 日本畜産学会

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