Abstract
Summary
Alteration of the temperature regulating mechanism of the fowl has been demonstrated by a lowered panting temperature threshold following a maintained reduction of body temperature (3 degrees for 2 hours). Maintenance of body temperature in a condition of hyperthermia for 1 to 2 hours previous to chilling does not result in a reciprocal change in the shivering threshold, rather, heat acts as a depressant and decreases the sensitivity of the shivering mechanism under these conditions. Reflex inhibition of panting with application of cold to the skin is demonstrated.
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