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EFFECTS OF DIETARY CARBOHYDRATE SOURCES ON GROWTH PERFORMANCE, GLUCOSE METABOLISM, AND DIGESTIVE ENZYME ACTIVITY OF LITOPENAEUS VANNAMEI

文献类型： 外文期刊

作者： Jiang, Zehao 1 ; Xia, Sudong 1 ; Zhang, Dan 1 ; Liu, Qun 2 ; Xu, Youqi 1 ; Wang, Yue 1 ; Gao, Yan 3 ; Wu, Biao 4 ;

作者机构： 1.Tianjin Agr Univ, Dept Fishery Sci, Tianjin Key Lab Aqua Ecol & Aquaculture, Tianjin 300384, Peoples R China

2.Anim Dis Prevent & Control Ctr Tianjin, Tianjin 300402, Peoples R China

3.Tianjin Fisheries Res Inst, Tianjin 300221, Peoples R China

4.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Key Lab Sustainable Dev Marine Fisheries, Minist Agr, Qingdao 266071, Peoples R China

关键词： Litopenaeus vannamei; carbohydrate sources; growth; carbohydrate metabolic enzyme; digestive enzyme

期刊名称：JOURNAL OF SHELLFISH RESEARCH （ 影响因子：1.3； 五年影响因子：1.4 ）

ISSN： 0730-8000

年卷期： 2022 年 41 卷 3 期

页码：

收录情况： SCI

摘要： This study evaluated the effects of different sources of dietary carbohydrates on the growth, antioxidant capacity, and digestive enzyme activity, and carbohydrate metabolic enzyme activity of Litopenaeus vannamei were evaluated. The experimental diets, including glucose, sucrose, potato starch, corn starch, and wheat starch, were fed to L. vannamei for 35 days. We found that shrimp fed on corn starch and wheat starch grew better, whereas shrimp fed on wheat starch showed the highest digestive enzyme activity. In addition, the starch group showed higher total superoxide dismutase (T-SOD) activity and lower malondialdehyde (MDA) content. The glucose, sucrose, starch, and corn starch fed shrimp showed significantly higher levels of hepatopancreatic hexokinase (HK), whereas those fed on glucose and potato starch also showed significantly higher levels of hepatopancreatic phosphofructokinase (PFK) activity. The activities of phosphoenolpyruvate carboxykinase (PEPCK) and glucose 6-phosphatase (G6Pase) were higher in shrimp fed on glucose, whereas higher fructose 1,6-bisphosphatase (FBPase) activity was observed in shrimp fed on wheat starch, glucose, and sucrose. The insulin content of shrimp in the glucose group and potato starch group was higher, whereas that of the glucose group was higher than that of the potato starch group. In brief, the addition of wheat starch to the diet plays a positive role in the growth, glycolysis, gluconeogenesis, and antioxidant activity of shrimp, and is a promising choice for juvenile shrimp culture.

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