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《Jiangxi Science》 1993-02
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GROWTH, LIPOGENESIS AND LIVER COMPOSITION OF JUVENILE WHITE STURGEON FED DIFFERENT LEVELS OF D-GLUCOSE

Liu Wei (Biological Resources Institute, Jiangxi Academy of Sciences, Nanchang, Jiangxi 330029, P. R. China) Kofi Fynn-Aikins (Department of Animal Science, University of California, Davis, CA 95616, U. S. A. )  
Juvenile white sturgeon (Acipenser transmontanus) were fed different levels (0%,7%, 14%, 21%, 28%, 35% ) of dietary D-glucose for 8 weeks. Fish fed diets withgreater than 7% D-glucose had significantly (P0.05 ) greater percent body weight increase, energy retained and body lipid than fish fed the 0% glucose diet. Percent protein deposited and body protein were not affected by the dietary treatments. Increasing dietary D-glucose caused plasma glucose and triacylglycerol levels to be elevated. Liver glucose-6-phosphate dehydrogenase, 6-phosphogluconate dehydrogenase, isocitrate dehydrogenase and malic enzyme activities were also greater in sturgeon fed the higher glucose diets. Fish fed the 28% and 35% glucose diets had two to three times the lipogenic enzyme activities of those fed the 0% and 7% diets, Hepatos-omatic index, liver weight and liver glycogen levels showed an increasing trend with increasing dietary D-glucose levels. Fish fed diets with D-glucose had more than twice the liver glycogen levels of fish fed the 0% glucose diet.
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