Effect of Dietary Carbohydrate/Protein Ratios and Feeding Frequency on Carbohydrate Metabolism of Common Carp
[摘要] A 8-week 3×2 two-factorial experiment was conducted to investigate effects of dietary carbohydrate to protein ratio (C5%/P32%, C10%/P30%, C20%/P28%) and feeding frequencies (fourth daily and twice daily) on the hepatic carbohydrate metabolic enzyme activities, regulatory factor contents related to glycometabolism, the insulin receptor (IR), GLUT2, hexokinase (HK), GLUT2 and SGLTlmRNA expression levels of common carp with initial average weight of 55.37±3.55 g. Three replicates with 150 common carp were randomly allotted to one treatment with combination of dietary carbohydrate level and feeding frequency in a complete randomized design. The results indicated that: (1) Dietary C/P ratio and feeding frequency significantly influenced the amylase activities of midgut (P
[发布日期] [发布机构] Tianjin Key Lab of Aqua-Ecology and Aquaculture, College of Fisheries, Tianjin Agricultural University, Tianjin; 300384, China^1
[效力级别] 材料科学 [学科分类]
[关键词] Carbohydrate metabolism;Dietary carbohydrates;Factorial experiment;Glucose-6-phosphate dehydrogenase;Glycogen synthase activities;MRNA expression level;Phosphoenolpyruvate carboxykinase;Positive correlations [时效性]
