산란을 위해 회유한 한국 연어 (Oncorhynchus keta) 지역개체군의 생화학적 특성
Biochemical Characteristics of Three Migratory Populations of Chum Salmon, Oncorhynchus keta, Spawning in Korea
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초록
Nine biochemical characteristics of female Oncorhynchus keta subpopulations that migrate to three streams (Namdaechun, Myeongpachun, Oshipchun) in Gangwon, Korea, were evaluated during November 2006: aspartate aminotransferase, alanine aminotransferase, creatine kinase, triglyceride, cholesterol, glucose, hemoglobin, and urea in the blood and RNA/DNA in muscle. The three subpopulations were identical morphologically, but differed in their biochemical characteristics. The RNA/DNA ratio could be useful for distinguishing the subpopulations. RNA/DNA ratios of the Namdaechun and the Myeongpachun and Oshipchun subpopulations were 3.52±0.7 and 2.9±0.7 and 2.4±0.8, respectively. The difference was statistically significant (P<0.05). By contrast, the blood parameters were somewhat ambiguous.
Abstract
Nine biochemical characteristics of female Oncorhynchus keta subpopulations that migrate to three streams (Namdaechun, Myeongpachun, Oshipchun) in Gangwon, Korea, were evaluated during November 2006: aspartate aminotransferase, alanine aminotransferase, creatine kinase, triglyceride, cholesterol, glucose, hemoglobin, and urea in the blood and RNA/DNA in muscle. The three subpopulations were identical morphologically, but differed in their biochemical characteristics. The RNA/DNA ratio could be useful for distinguishing the subpopulations. RNA/DNA ratios of the Namdaechun and the Myeongpachun and Oshipchun subpopulations were 3.52±0.7 and 2.9±0.7 and 2.4±0.8, respectively. The difference was statistically significant (P<0.05). By contrast, the blood parameters were somewhat ambiguous.
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