梭子蟹格栅式循环水养殖技术  

Grid type culture of Portunus trituberculatus in a recirculating aquaculture system

作　　者：许程林[1] 赵永超[1] 陈玉生[1] 吉红九[1] 贲成恺[1] 钟非[1] 

机构地区：[1]江苏省海洋水产研究所,江苏南通226007

出　　处：《渔业现代化》2015年第4期6-10,共5页Fishery Modernization

基　　金：公益性行业(农业)科研专项经费项目(201203065);南通市农村科技创新及产业化项目(HL2013011);江苏省自然科学青年基金项目(BK20130398)

摘　　要：传统的梭子蟹池塘养殖、围网养殖以及后来发展的笼养、筐养等对自然环境依赖性强、可控性差、劳动强度大、养殖产量低。本研究针对传统养殖方式的不足，采用格栅式单体养殖方法，有机组合生物净化水处理单元，构建了温室大棚梭子蟹格栅式循环水养殖系统，研发了具有“防止互残、遮阳保温、增氧去污”等性能的梭子蟹养殖新模式。结果表明，格栅式养殖池放养梭子蟹C8～C9期大规格苗种，经113 d养成至C11～C12期商品蟹，平均甲宽168 mm、平均体重253 g，存活率75．4％，养殖平均产量3．054 kg／m2。与传统养殖方式相比，采用温室大棚格栅式循环水养殖技术能有效延长梭子蟹的生长期，单位面积养殖产量和存活率均有显著提高。Traditional Portunus trituberculatusculture in pond , isolated net, cage and basket are subject to the natural environment and are characterized by poor controllability, great labor intensity, low yield.In this study, a grid type culture of P.trituberculatus in a recirculating aquaculture system was explored, which have advantages of avoiding cannibolism, sunshade and heat preservation, aeration and decontamination.Crabs at stage of C8-C9 were moved into the grid type recirculating culture system and cultured for 113 days to commercial crab at stage of C11-C12 , the carapace breadth and body weight reached to 168 mm and 253 g respectively.And the average yield reached to 3.054 kg/m2 with survival rate of 75.4%.Compared to the traditional culture model, the average yield of grid type recirculating culture system has significantly increased.

关 键 词：三疣梭子蟹 大棚养殖 格栅式单体养殖 循环水养殖 

分 类 号：S967.9[农业科学—水产养殖]