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KMID : 0900919920160040377
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Korean journal of Animal Reproduction
1992 Volume.16 No. 4 p.377 ~ p.385
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Physiological Studies on Adaptation of Tilapia(Oreochromis niloticus) in the Various Salinities III. Correlations between Serum Hormones and Components Levels
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Yoon Jong-Man
Park Hong-Yang
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Abstract
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This study was taken to examine correlationships between ehdocrine changes such as estradiol-17beta, progesterone, T4 and T3 and serum components concentrations of female Oreochromis niloticus living in 0textperthousand, 10textperthousand, 20textperthousand, and 30textperthousand salt concentrations, respectively. The results obtained in these experiments were summarized as follows. Correlation coefficients of serum albumin and thyroxine were ＋0.907 and ＋0.611 in 10textperthousand and 20textperthousand, respectively. In 30textperthousand salinity, serum BUN and other 3 kinds of hormones showed all negative correlation coefficients. Correlation coefficients of serum estradiol-17beta with calcium and cholesterol in 20beta were ＋0.624, ＋0.733, respectively. Correlation coefficient between serum triglycerides and thyroxine in 30beta was ＋0.989.
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KEYWORD
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Tilapid(Oreochromis niloticus), endocrine changes, serum components, correlation coefficients
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