Szukana fraza: [Opis = "The metabolic rate of Microtus agrestis \(Linnaeus, 1761\) was determined in one hour and 24 hour trials using an open circuit respirometer and gas analysis by gas chromatography. Respiration was higher \(by about 30% for a 20 g vole at 10°C\) in the one hour trials, in which no food or bedding were provided."]

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