Influence of dietary phospholipids level on growth performance, body composition and lipid class of early postlarval Litopenaeus vannamei
文献类型: 外文期刊
第一作者: Niu, J.
作者: Niu, J.;Liu, Y-J;Tian, L-X;Yang, H-J;Liang, G-Y;Niu, J.;Lin, H-Z;Chen, X.;Mai, K-S
作者机构:
关键词: growth performance;Litopenaeus vannamei larvae;phospholipids requirement
期刊名称:AQUACULTURE NUTRITION ( 影响因子:3.497; 五年影响因子:3.78 )
ISSN: 1353-5773
年卷期: 2011 年 17 卷 2 期
页码:
收录情况: SCI
摘要: One experiment was conducted to determine the nutritive value of phospholipids on growth performance of early postlarval shrimp, Litopenaeus vannamei. Five isoenergic and isonitrogenous diets with five supplemented levels of phospholipids (P1, P2, P3, P4 and P5 with 0, 10, 20, 40 and 80 g kg(-1) diet, respectively) were fed to triplicate groups of L. vannamei (mean initial wet weight 0.8 mg) for 27 days. After the 27-day feeding trial, the lowest weight gain (WG, %) and specific growth rate (SGR, % day(-1)) was found in P1 treatment, the highest WG and SGR was found in P3, P4 and P5 treatments, P2 treatment provided intermediate result and showed significant difference compared to P1, P3, P4 and P5 treatments. Shrimp fed the P1 diet had significantly lower survival than shrimp fed other diets, while no significant difference was found in survival among P2, P3, P4 and P5 treatments. Broken-line analysis on WG indicated that the optimum dietary phospholipids for early postlarval shrimp, L. vannamei, is 45.96 g kg(-1) diet.
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