Changes in blood biochemical parameters and enzyme activity of juvenile Chinese sturgeon Acipenser sinensis during starvation
文献类型： 外文期刊
作者： Feng, G. 1 ; Zhao, F. 1 ; Zhuang, P. 1 ; Huang, X. 1 ; Zhang, T. 1 ; Shi, X. 2 ;
作者机构： 1.Chinese Acad Fishery Sci, East China Sea Fisheries Res Inst, Shanghai, Peoples R China
2.China Three Gorges Univ, Coll Hydraul & Environm Engn, Yichang, Peoples R China
关键词： Chinese sturgeon; Blood; Physiology; Nutrient utilization; Starvation
期刊名称：BULGARIAN CHEMICAL COMMUNICATIONS （ 影响因子：0.242； 五年影响因子：0.322 ）
ISSN： 0324-1130
年卷期： 2017 年 49 卷
页码：
收录情况： SCI
摘要： In recent years, the number of Chinese sturgeon (Acipenser sinensis) has decreased, due to food shortage and starvation as a result of human activity. In this study, the effects of starvation on the metabolism of juvenile sturgeon were examined by measuring their blood parameters over time to assess the utilization of energy resource and identify biomarkers of stressed sturgeon populations. Plasma was sampled every six days during 49 days of starvation. The results showed that the total protein concentration of sturgeon increased slightly during the initial period of the experiment, and then declined significantly after 25 days. It has become apparent that the concentration of albumin (ALB) declined significantly after 31 days of starvation. Glucose (GLU) concentration was decreased significantly after only 7 days of starvation, and dripped significantly again after 31 days. Triglyceride (TGL) and cholesterol (CHOL) levels were steady, until as late as 25 days after starvation. Other parameters including urea, alanine aminotransferase, aspartate aminotransferase, and lactate dehydrogenase also reduced significantly. In contrast, high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, and alkaline phosphatase were less affected. The activity of alanine aminotransferase (ALT) decreased significantly after 13 and 37 days of starvation. The activity of lysozyme (LSZ) increased generally and there were significant difference between 43-day starvation group and 4 starvation groups of 1-19 days. Therefore, these results indicate that carbohydrates were metabolized preferentially in the blood of juvenile Chinese sturgeon, then proteins, and finally lipids. Furthermore, GLU, ALB, CHOL, and TGL can be used as indicators to nutritional condition. Obvious effects occurred in the blood of juvenile Chinese sturgeon after 13 days of starvation.
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