引用本文:	韩涛,王骥腾,胡水鑫,李新宇,李荣华,母昌考,王春琳,余方平,史会来.饲料脂肪水平对三疣梭子蟹(Portunus trituberculatus)幼蟹生长及体组成的影响.海洋与湖沼,2013,44(5):1276-1281.

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*饲料脂肪水平对三疣梭子蟹(Portunus trituberculatus)幼蟹生长及体组成的影响*
韩涛¹, 王骥腾², 胡水鑫², 李新宇², 李荣华³, 母昌考³, 王春琳³, 余方平⁴, 史会来⁴
1.宁波大学海洋学院浙江海洋学院水产学院;2.浙江海洋学院水产学院;3.宁波大学海洋学院;4.浙江省海水增养殖重点实验室

摘要:

采用单因素试验设计方法, 进行了不同饲料脂肪水平对三疣梭子蟹(Portunus trituberculatus)幼蟹生长及体组成影响的研究。结果表明, 低饲料脂肪水平(1.8%)组的增重率和特定生长率最低, 饲料脂肪水平为4.2%组的增重率和特定生长率最高。不同饲料处理对三疣梭子蟹蟹体的水分、粗蛋白和灰分含量无显著影响, 饲料脂肪水平为9.01%组蟹体的脂肪含量最高, 饲料脂肪水平为1.8%组的蟹体脂肪含量最低。饲料处理显著影响各处理组的性腺指数, 饲料脂肪水平为13.76%组的性腺指数最低。而不同饲料处理对各组的肝胰腺指数、壳宽、壳长和壳高无显著影响。本实验结果显示, 4.2%—13.76%的饲料脂肪水平能满足三疣梭子蟹正常生长和发育所需。

关键词: 三疣梭子蟹脂肪水平生长体组成

DOI：10.11693/hyhz201305022022

分类号:

基金项目:浙江省水产育种专项, 2012C12907-3号; 浙江省海水养殖重点科技创新团队项目, 2010R50025-08号; 国家星火计划项目, 2013GA701041号, 2013GA701002号; 浙江省教育厅科研计划项目, Y201225349号; 浙江省科技厅公益性技术应用研究项目, 2013C32037号, 2013C31032号; 浙江省海洋与渔业局海洋经济和渔业新兴产业补助项目, 2011年; 宁波市海洋蟹类产业科技创新团队项目, 2011B81003号; 宁波市重大科技攻关计划项目, 2013C11017号; 王宽诚基金资助。

附件

EFFECT OF DIETARY LIPID LEVEL ON GROWTH AND BODY COMPOSITION OF JUVENILE SWIMMING CRAB PORTUNUS TRITUBERCULATUS

HAN Tao¹, WANG Ji-Ten², HU Shui-Xin², LI Xin-Yu², LI Rong-Hua³, MU Chang-Kao³, WANG Chun-Lin³, YU Fang-Ping⁴, SHI Hui-Lai⁴

1.School of Marine Science of Ningbo University ;2.Fisheries College of Zhejiang Ocean University;3.School of Marine Science of Ningbo University;4. Zhejiang Province Key Laboratory of Marine Aquaculture

Abstract:

A one-way analysis model was used to investigate the effects of dietary lipid level on the growth performance and body composition of juvenile swimming crab Portunus trituberculatus. After termination of the experiment, crabs fed the diets containing 1.8% lipid level had the lowest weight gain and special growth rate and fed the diets containing 4.2% lipid level had the highest weight gain and special growth rate. No significant differences were detected among treatments with respect to body moisture, crude protein and ash, crabs fed the diets containing 9.01% lipid level had the highest body crude fat and fed the diets containing 1.8% lipid level had the lowest body crude fat. Fed the diets containing 13.76% lipid level had the lowest gland index. No significant differences were detected among treatments with respect to hepatopancreas index, carapace length, carapace width and carapace height. Hence, our research suggests that it may be dietary lipid level ranging from 4.2% to 13.76% appears to meet the lipid requirement for this crab species.

Key words: swimming crab lipid level growth body composition