上海海洋大学学报2017，Vol.26Issue(6)：836-843,8.DOI:10.12024/jsou.20170402014
缢蛏苗水泥池中间培育试验
The experiment of intermediate culture of razor clam Sinonovacula constricta in cement pond
摘要
Abstract
In order to shorten the intermediate culture period of razor clam and to quicken the culture of large size products,the suitable specifications and densities of the spat are tested.In November to December 2016,in the 250 m2 outdoor large cement pool to cultivate spat,and polyculture of small shrimp,two specifications spat (0.890 ± O.024 cm,O.488 ± O.035 cm) of razor clam S.constricta were cultured with different sediment thickness (3 cm,6 cm) and density.Regular measuring shell length,shell width,weight and survival rate of spat of razor clam under different conditions,sediment thickness affect the growth of spat in shape,specification,the greater required sediment thickness thicker.The results show that the survival rate of two kinds of specifications of razor clam respectively was 81.83％ ± O.69％,65.74％ ± O.83％;stocking density affected the growth speed of spat of razor clam;spat to specifications and the combined effect of rearing density showed that large spat (100,000 grains/kg,shell length O.890 ± O.024 cm) appropriate stocking density of 10 000-15 000 grains/m2;small spat (200,000 grains/kg,shell length 0.488 ±0.035cm),appropriate stocking density is 30 000-50 000 grains/m2;foster after 30 days,14.4 kg large-size juveniles harvested 196.4 kg,96.6％ reach (1.5-2.0 cm) commodity seed;8.8 kg small juveniles harvested seed 144.6 kg,68.4％ reach (1.5-2.0 cm) commodity seed.In this paper,the feasibility of intermediate culture of spat of razor clam in cement pool is explored,shorter intermediate period,it can provid high quality and healthy large specifications spat of razor clam for large-scale and intensive aquaculture.关键词
缢蛏/中间培育/养殖密度/底泥厚度/商品苗种Key words
Sinonovacula constricta/intermediate culture/breeding density/sediment thickness/commercial seedling分类
农业科技引用本文复制引用
薛宝宝,李浩,彭连法,李炼星,牛东红,李家乐,沈和定..缢蛏苗水泥池中间培育试验[J].上海海洋大学学报,2017,26(6):836-843,8.基金项目
国家高技术研究发展计划(2012AA10A400-3) （2012AA10A400-3）
上海高校知识服务平台上海海洋大学水产动物遗传育种中心(ZF1206) （ZF1206）
