Environmental physiology with special reference to domestic animals X: Influence of temperature, 5⁰ to 95⁰ F, on evaporative cooling from the respiratory and exterior body surfaces in Jersey and Holstein cows

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Environmental physiology with special reference to domestic animals X: Influence of temperature, 5⁰ to 95⁰ F, on evaporative cooling from the respiratory and exterior body surfaces in Jersey and Holstein cows

Please use this identifier to cite or link to this item: http://hdl.handle.net/10355/11313

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Title: Environmental physiology with special reference to domestic animals X: Influence of temperature, 5⁰ to 95⁰ F, on evaporative cooling from the respiratory and exterior body surfaces in Jersey and Holstein cows
Author: Kibler, H. H. (Hudson H.)
Keywords: livestock
environmental conditions
sweat
Date: 1950-09
Publisher: University of Missouri, College of Agriculture, Agricultural Experiment Station
Series/Report no.: Research bulletin;461
Abstract: An environmental temperature of 105°F (40.5°C) at moderate humidity increased the rectal temperature to near lethal limits of 106-7°F (41.5°C) in Jersey and to over 108°F (42.2°C) in Holstein cows. Similar environmental conditions have little effect on the rectal temperature of man. This species difference in body-temperature regulation is presumably associated with differences in evaporative cooling capacity. The data, obtained between November 1948 and April 1949 on an Experimental group of three lactating Jerseys, two lactating Holsteins and one non-lactating, non-pregnant Holstein held successively at temperatures between 50° and 5° F and 5° to 95° F, and a similar Control group maintained at 50°F, except near the end of the experiment when the Control chamber temperature was increased rapidly to 95°F, correspond to data from other tests reported for the same period.
URI: http://hdl.handle.net/10355/11313

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  • Research bulletin (MU) [19]
    The items in this collection are part of the Research Bulletin series of publications produced by the Agricultural Experiment Station.

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