[Thermal insulation in goslings].
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Biomedical subjects
P Poczopko
Publications and source records attributed to P Poczopko.
[Self-defense against hyperthermia in animals].
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Acclimatization↗
[Studies on the effect of environmental thermal conditions on geese. 3. Deep and external body temperature in goslings at thermoneutrality and during short exposures to cold].
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[Studies on the effect of environmental thermal conditions on geese. IV. The effect of environmental thermal conditions on metabolic rate in goslings].
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[A contribution to the studies on changes of energy metabolism during postnatal development. II. Changes in relation to surface area and to body weight during development of rats].
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Animals↗
Hormonal regulation of thermogenesis in goslings. The effects of blockade with thiouracil and propranolol.
Hormonal regulation of thermogenesis in goslings. The effects of blockade with thiouracil and propranolol. Acta Physiol. Pol. 1977, 28 (1): 51-60. The experiments were carried out on 90 male goslings of White Italian breed. In goslings 5 to 7 and 18 to 21-day-old thiouracil (6 mg/100 g i.p., for 3 consecutive days) diminished the cold-induced increase in the metabolic rate. At the end of 1.5 h exposure to 5 degrees C a small but statistically significant drop of body temperature in the thiouracil-treated goslings was noted. Propranolol treatment (2 mg/kg s.c.) had no clear effect neither on body temperature of cold exposed goslings nor on the cold-induced increase in the metabolic rate. The drug caused a significant decrease in the plasma free fatty acid (FFA) levels only in the goslings kept at thermoneutrality. In those exposed to 5 degrees C the plasma FFA levels rose both in the control and propranolol-treated goslings. This suggests that the cold-induced lipolysis in the goslings may be accomplished without mediation of noradrenaline.
Age Factors↗