Standard metabolism and thermoregulation in a prosimian Perodicticus potto

Abstract o 1. The standard metabolic rate of the potto has been measured under various conditions and found about 45 per cent below the “normal” value. 2. Colonic temperature was recorded between 0 and 40°C T a. 3. In the neutral thermal zone 25–29°C it is variable but approximately 2–3°C lower than...

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Veröffentlicht in:Comparative biochemistry and physiology. A, Comparative physiology Comparative physiology, 1975, Vol.50 (1), p.201-213
Hauptverfasser: Hildwein, G., Goffart, M.
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container_title Comparative biochemistry and physiology. A, Comparative physiology
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creator Hildwein, G.
Goffart, M.
description Abstract o 1. The standard metabolic rate of the potto has been measured under various conditions and found about 45 per cent below the “normal” value. 2. Colonic temperature was recorded between 0 and 40°C T a. 3. In the neutral thermal zone 25–29°C it is variable but approximately 2–3°C lower than in other monkeys. 4. This arboreal tropical animal is cold hardy. It is very well insulated and its conductance remains stable between 25 and 0°C T a but at 10°C T a it may behave like an heterotherm. 5. Although the potto does not shiver the heat production increases 2·36 times between 25 and 5°C T a. 6. At high ambient temperature, the oxygen consumption rises, the conductance doubles, evaporative heat losses—mainly by panting—are inadequate and T co rises. 7. Despite some deficiencies the thermoregulation can hardly be called “primitive”.
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subjects Animals
Basal Metabolism
Body Temperature
Body Temperature Regulation
Body Weight
Circadian Rhythm
colonic temperature
Electric Conductivity
energy metabolism
Female
heat loss by vaporization
Male
Oxygen Consumption
panting
Perodicticus potto
Potto
Primates - physiology
respiration rate
salivation
Seasons
Shivering
Species Specificity
Standard metabolism
sweating
thermal conductance
thermoregulation
Time Factors
title Standard metabolism and thermoregulation in a prosimian Perodicticus potto
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