Study on partial replacement of fish meal with concentrated dephenolized cottonseed protein in feed of Penaeus monodon
文献类型： 外文期刊
作者： Jiang, Song 1 ; Chen, Zhenbao 4 ; Zhou, Falin 1 ; Yang, Qibin 2 ; Huang, Jianhua 1 ; Yang, Lishi 1 ; Li, Yundong 1 ; Jian 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Key Lab South China Sea Fishery Resources Exploit, Minist Agr & Rural Affairs, South China Sea Fisheries Res Inst, Guangzhou, Peoples R China
2.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Trop Fishery Res & Dev Ctr, Sanya, Peoples R China
3.Shanghai Ocean Univ, Coll Fisheries & Life Sci, Shanghai, Peoples R China
4.Zhuhai Rongchuan Feed Co Ltd, Zhuhai, Peoples R China
5.Chinese Acad Fishery Sci, Shenzhen Base South China Sea Fisheries Res Inst, Shenzhen, Peoples R China
关键词： concentrated dephenolized cottonseed protein; fish meal; partial replacement; Penaeus monodon
期刊名称：AQUACULTURE RESEARCH （ 影响因子：1.748； 五年影响因子：1.867 ）
ISSN： 1355-557X
年卷期：
页码：
收录情况： SCI
摘要： The effects of partial replacement of fish meal with concentrated dephenolized cottonseed protein (CDCP) in feed on growth performance, feed utilization, nonspecific immune responses and gut morphology were studied in black tiger shrimp (Penaeus monodon) using 8-week feeding trials. Five isonitrogenous and isolipidic diets were formulated to contain five graded levels of CDCP (0%, 5%, 10%, 15% and 20%). Each diet was randomly assigned to triplicate groups of 30 shrimp (0.80-0.84 g). Maximum weight gain rate (WG), specific growth rate (SGR), survival rate (SR), apparent feed dry matter digestibility and the number of intestinal folds were recorded at 10% dietary CDCP. Dietary CDCP levels had no significant effect on serum superoxide dismutase (SOD) and malondialdehyde (MDA), (p > 0.05). Intestinal microstructures were positively affected by dietary CDCP at the optimal level of 10%, significantly increasing fold height and flod numbers (p < 0.05). Based on the growth performance, feed utilization, proximate composition, enzyme activities and gut morphology, the optimum dietary CDCP level for optimal growth of P. monodon was 10% of the dry diet, corresponding to the replacement ratio of fish meal 33.33%. The results provide a theoretical basis for the designing of feed formulation for black tiger shrimp (P. monodon).
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