Effects of food temperature and ambient temperature during a meal on food intake in the rat.
Rats kept either at thermoneutrality (29 degrees C) or in the cold (19 degrees C) were fed either at thermoneutrality or in the cold. Rats kept in the cold ingested consistently more food than rats kept at thermoneutrality. Also, independently of nature temperature, rats fed in the cold ingested more food than rats fed at thermoneutrality. There was no interaction between nurture temperature and meal temperature. In a second experiment, rats kept at thermoneutrality were fed food pellets previously warmed or cooled to 12, 29, or 48 degrees C. Food temperature per se had no significant effect on food intake.
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Instituto de Psicologia, Universidade de São Paulo, Brazil.
D000818:Animals; D003080:Cold Temperature; D005247:Feeding Behavior; D006358:Hot Temperature; D008297:Male; D051381:Rats; D011919:Rats, Inbred Strains; D013696:Temperature