Dietary Vitamin B6 Requirement of Juvenile Grass Carp (Ctenopharyngodon idella)

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dc.contributor.authorYang, C.
dc.contributor.authorJiang, M.
dc.contributor.authorWen, H.
dc.contributor.authorTian, J.
dc.contributor.authorWu, F.
dc.contributor.authorLiu, W.
dc.contributor.authorYu, L.
dc.date.accessioned2017-06-13T19:51:45Z
dc.date.available2017-06-13T19:51:45Z
dc.date.issued2017
dc.description.abstractWe evaluated the effects of dietary vitamin B6 levels on growth, survival, and serum biochemical parameters in juvenile grass carp (Ctenopharyngodon idella). Fish were fed one of seven purified diets containing 0.12 (control), 1.16, 2.37, 4.82, 9.20, 17.51, or 36.52 mg/kg B6. We observed abnormal swimming behavior in some fish fed the control diet after 17 days. The survival rate (24.44±1.92%) was low in the control group. Supplementation with vitamin B6 resulted in significantly higher (P<0.05) weight gain, specific growth rate, final weight, and weight gain rate. Feed efficiency was significantly lower in the fish fed the control diet than the remaining groups (P<0.05). Dietary vitamin B6 levels had no significant effect on fish body composition or serum albumin and total protein content. Dietary vitamin B6 supplementation caused a decrease in serum triacylglycerol content and an increase in total cholesterol content, high density lipoprotein cholesterol content, and α-amylase activity levels (P<0.05). Broken-line regression analysis of SGR, HDL-C content, and α-AMY activity, showed that the optimum dietary vitamin B6 requirement for juvenile grass carp was 1.13, 3.73, 1.57 mg B6/kg, respectively.
dc.format.extent9 pages
dc.identifier.issn0792-156X
dc.identifier.urihttp://hdl.handle.net/10524/56847
dc.subjectCtenopharyngodon idellua
dc.subjectvitamin B6
dc.subjectgrowth
dc.subjectserum
dc.subjectamino acids
dc.subject.lcshFish culture--Israel.
dc.subject.lcshFish culture
dc.titleDietary Vitamin B6 Requirement of Juvenile Grass Carp (Ctenopharyngodon idella)
dc.typeArticle
dc.type.dcmiText

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Volume 69, 2017