文章摘要
赵维信,姜仁良,周秋白,刘宏,高岚.团头鲂血清甲状腺激素浓度的周年变化[J].上海海洋大学学报,2000,(2):108-110
团头鲂血清甲状腺激素浓度的周年变化
Annual variations in serum thyroid hormone levels of Megalobrama amblycephala
  修订日期:2000-03-09
DOI:
中文关键词: 团头鲂 甲状腺素 三碘甲腺原氨酸 周年变化
英文关键词: Megalobrama amblycephala,serum thyroxine,triiodo L thyronine,annual variation
基金项目:
赵维信  姜仁良  周秋白  刘宏  高岚
上海水产大学渔业学院,上海
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中文摘要:
      运用双抗体放射免疫测定法研究团头鲂(Megalobrama amblycephala)血清中甲状腺素(T4)和三碘甲腺原氨酸(T3)浓度的周年变化。血清T4和T3在春季性腺迅速发育时期形成峰值,T4的升高比T3早一个月。繁殖期后。血清T4和T3水平降低,血清T4分别在8月和10月出现两个小峰;T3在7月-11月维持较稳定的水平。血清T4、T3在冬季的水平均较低。对血清甲状腺激素在春季升高的生理意义作了讨论。
英文摘要:
      Annual variations in serum thyroxine(T 4) and triiodo L thyronine(T 3) concentrations were measured by double antibody radioimmunoassay in the blunt snout bream(Megalobrama amblycephala). Serum T 4 and T 3 levels were elevated and up to peaks during the spring concomitant with the rapid development of gonads, the elevation of serum T 4 was in March early than the T 3, After the reproductive stage, serum levels of T 4 and T 3 declined, serum T 4 showed two small peaks in August and October respectively; Serum T 3 levels were constant throughout the Summer and Autumn (July to November). Serum T 4 and T 3 levels were low during the winter, the minimum levels of both T 4 and T 3 were in December. The physiological significance of thyroid hormone elevations during spring are discussed.
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