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Rectal Temperature And Respiratory Rates In Two Different Nigerian Zebu Breeds Of Cattle

机译:两种不同尼日利亚牛群的牛的直肠温度和呼吸频率

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Homeotherms can carry on their usual activities under a wide range of external temperature, by ensuring that the deep body temperature is maintained within a narrow limit1. This is done by either adjusting the rate of heat-gain or by heat-loss from the body, or adjusting the rate of generation of heat through various biochemical processes. Many conditions are capable of causing normal variations in the body temperature of cattle. These include age, sex, season, time of day, environmental temperature, exercise, eating, digestion, and drinking of water. It was also been reported that diurnal rhythm and oestrous cycle cause variations in the body temperature of domestic cattle.
机译:通过确保深层体温保持在狭窄的范围内,等温疗法可以在很宽的外部温度范围内进行正常活动。这可以通过调节热量的获取速度或通过人体的热量散失来完成,也可以通过各种生化过程来调节热量的产生速度。许多条件都能引起牛体温的正常变化。这些包括年龄,性别,季节,一天中的时间,环境温度,运动,饮食,消化和喝水。还据报道,昼夜节律和发情周期导致家牛体温的变化。

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