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Variations in behavioral thermoregulation in the young pig over 24 hour periods

, : Variations in behavioral thermoregulation in the young pig over 24 hour periods. Physiology and Behavior 14(6): 689-695

Young swine were trained to make a response to obtain a reinforcement of radiant heat. The animals were kept by themselves in a temperature-controlled light-proof room. Some animals were kept in constant light, some under a light/dark cycle, and some were first fed unrestricted, and then deprived of food. Evidence of a circadian rhythm was obtained under all conditions and at ambient temperatures between 5 deg -20 deg C.


PMID: 1187824

DOI: 10.1016/0031-9384(75)90059-1

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