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核心技术专利：CN118964589B侵权必究

核心技术专利：CN118964589B侵权必究

Shivatcheva T M, Ankov V K, Hadjioloff A I

Institute of Cell Biology and Morphology, Bulgarian Academy of Sciences, Sofia.

Comp Biochem Physiol A Comp Physiol. 1988;90(3):515-8. doi: 10.1016/0300-9629(88)90229-0.

Serum cortisol levels were measured throughout an annual cycle in male European ground squirrels, Citellus citellus L. 2. A circannual rhythm of these levels in euthermic animals was found: the highest being in late October, November and December, the lowest in May, early October and March. 3. The levels varied in the hibernating period as well: strongly reduced during the first part (October-December) and significantly elevated in the second one (January-March). 4. A significant elevation of the cortisol levels was marked 18-20 hr after full arousal from hibernation in October.

在雄性欧洲地松鼠（Citellus citellus L.）的整个年度周期内测量了血清皮质醇水平。2. 发现恒温动物的这些水平存在年节律：最高值出现在10月下旬、11月和12月，最低值出现在5月、10月初和3月。3. 皮质醇水平在冬眠期也有所变化：在第一阶段（10月至12月）大幅降低，在第二阶段（1月至3月）显著升高。4. 10月从冬眠完全苏醒后18 - 20小时，皮质醇水平显著升高。

Shivatcheva T M, Ankov V K, Hadjioloff A I

Institute of Cell Biology and Morphology, Bulgarian Academy of Sciences, Sofia.

Comp Biochem Physiol A Comp Physiol. 1988;90(3):515-8. doi: 10.1016/0300-9629(88)90229-0.

Serum cortisol levels were measured throughout an annual cycle in male European ground squirrels, Citellus citellus L. 2. A circannual rhythm of these levels in euthermic animals was found: the highest being in late October, November and December, the lowest in May, early October and March. 3. The levels varied in the hibernating period as well: strongly reduced during the first part (October-December) and significantly elevated in the second one (January-March). 4. A significant elevation of the cortisol levels was marked 18-20 hr after full arousal from hibernation in October.

在雄性欧洲地松鼠（Citellus citellus L.）的整个年度周期内测量了血清皮质醇水平。2. 发现恒温动物的这些水平存在年节律：最高值出现在10月下旬、11月和12月，最低值出现在5月、10月初和3月。3. 皮质醇水平在冬眠期也有所变化：在第一阶段（10月至12月）大幅降低，在第二阶段（1月至3月）显著升高。4. 10月从冬眠完全苏醒后18 - 20小时，皮质醇水平显著升高。