Szukana fraza: [Opis = "Body temperature \(TB\) of the field vole, Microtus agrestis \(Linnaeus, 1761\) is 32\-33°C fir 5 days after birth. Afterward, it gradually increases \(x=0.4°C\/day\) to attain 37.4°C by day 16. The TB of older voles is constant \(37.7 \- 38.0°C\) until 20 months of life. Between days 6 and 16 increases of TB are accompanied by elevated oxygen consumption at 18°C ambient temperature. Between 21 and 26 days of life, however, oxygen consumption at 18°C decreases. Differences of oxygen consumption in the age gropus examined are evidently smaller at 25°C ambient temperature and at 32°C they are negligible."]

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