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 پایگاه استنادی علوم جهان اسلام (ISC)

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:: Volume 20, Issue 2 (2021) ::
IJFS 2021, 20 Back to browse issues page
Research Article: Evaluation of Yarrowia lipolytica lipase 2 on growth performance, digestive enzyme activity and nutritional components of Russian sturgeon (Acipenser gueldenstaedtii)
W.Q. Chen , C.C. Zheng , Z.H. Jin , Z. Ye , J.W. Wu , S.Q. Qian , Z.J. Wu , C. Sun , Y. Sun , H. Fei *
Zhejiang Sci-Tech univrsity , feihui@zju.edu.cn
Abstract:   (2059 Views)
The effects of Yarrowia lipolytica lipase 2 (YLL2) on growth performance, digestive enzyme activity and muscle nutritional components of Russian sturgeon (Acipenser gueldenstaedtii) were evaluated in a 56-day feeding experiment. Four experimental groups of fish with mean weight of 4.465 g were used in the study: Control group (0-control), Group 1 (1.0 g/kg YLL2), Group 2 (1.5 g/kg YLL2) and Group 3 (2.0 g/kg YLL2), respectively, with three repetitions. Fish fed diets with YLL2 at 1.0 g/kg showed the highest growth compared with that of the other groups (p<0.05). For nutrient apparent, docosahexenoic acid (DHA) and eicosapentenoic acid (EPA) concentrations in fish muscle of group which fed with 1.0 g/kg YLL2 increased 5.05% and 7.45% respectively, compared with that of control group (p<0.05). Considering the digestive enzyme activity, lipase and protease activity in liver, spleen and intestine of G1 fish was also significantly enhanced compared with that of control group (p<0.05). While, significant increase of amylase activity in intestine was only observed in fish treated with 2.0 g/kg YLL2. The present results suggested that YLL2 (1.0 g/kg) could be used as potential diet additives for aquaculture Russian sturgeon.
Keywords: Yarrowia lipolytica lipase, Sturgeon, Nutritional components, Growth performance, Digestibility
Full-Text [PDF 483 kb]   (662 Downloads)    
Type of Study: Orginal research papers | Subject: aquaculture
Received: 2019/05/31 | Accepted: 2020/01/7 | Published: 2021/03/20
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Chen W, Zheng C, Jin Z, Ye Z, Wu J, Qian S, et al . Research Article: Evaluation of Yarrowia lipolytica lipase 2 on growth performance, digestive enzyme activity and nutritional components of Russian sturgeon (Acipenser gueldenstaedtii). IJFS 2021; 20 (2) :396-409
URL: http://jifro.ir/article-1-3937-en.html


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Volume 20, Issue 2 (2021) Back to browse issues page
Iranian Journal of Fisheries Sciences Iranian Journal of Fisheries Sciences
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