I-2 THERMOREGULATION IN DAILY COWS : HEAT AND ENERGY BALANCE UNDER HIGH TEMPERATURE

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概要

• 論文の詳細を見る

• The effect of hot environments are critical to cattle, especially when at high production levels. The effects depend on ambient temperature, air humidity and solar radiation. Adaptation to heat by high producting diary cattle is a long process and may never be complete. However, cattle are able to withstand high temperature and humidity, without any in reduction productivity, if they can recover normal body temperature during the night to early morning. Any discussion or study on the heat and energy balance of cattle must consider many factors including production level, heat production and other physiological responses. This paper discusses the physiological responses of cattle to heat stress in relation to their heat and energy balance. I conclude that the level of energy balance in cattle depend on their heat balance and I suggest that energy and heat balance must be consider together to understand the effects of not environments on dairy cattle.

• 日本家畜管理学会の論文
• 1991-09-20

著者

• Purwanto B.p.

  Dept. Of Animal Science Hiroshima University

関連論文

• I-2 THERMOREGULATION IN DAILY COWS : HEAT AND ENERGY BALANCE UNDER HIGH TEMPERATURE

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